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Western Animation / CatDog

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A lunatic dog and a frustrated cat
Opposite this and opposite that
Internal struggle for two-in-one brothers
Scratchin' and bitin' and lovin' each other.

CatDog is a Nicktoon created by illustrator and musician Peter Hannan. It first aired on Nickelodeon on April 4, 1998, and ran until June 15, 2005, for a total of 68 episodes.

The story revolves around Cat and Dog (together "CatDog"), conjoined twins who are a cat and a dog respectively. The conjoined twins have very different personalities. Cat is the brains of the outfit, sophisticated and obsessed with cleanliness. Dog, on the other hand, is much more laid back and naive than his brother, and enjoys going on adventures and eating; he's also rather easily led. Each episode follows Cat and Dog's daily adventures of living with each other and trying to avoid harassment from a gang of three dogs named the Greaser Dogs, corrupt businessman Rancid Rabbit, and their neighbor, a blue mouse named Winslow who lives in one of the walls of their home.


Notable for its cruel humor and bleak setting, with many stories involving bad things happening to characters who don't deserve it, making it one of the more polarizing Nicktoons. Nevertheless, it has a dedicated following of nostalgic fans.

The show reruns in the block NickRewind. The series was released on DVD by Shout! Factory, with the complete series released in 2014. As of The New '20s the title characters still occasionally appear in crossover works, namely video games such as Nickelodeon Kart Racers 2: Grand Prix and Nickelodeon All-Star Brawl.


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    Tropes A-M 
  • Abnormal Ammo: Due to how CatDog's digestive system works, if Cat eats several small items, Dog can shoot them out of his nose with machine-gun force. They mainly use candies for this.
  • Actor Allusion: Cat often refers to Winslow as a "blue rodent."
  • A Dog Ate My Homework: Cat tries to make money off this in one episode by letting people hire Dog to eat their homework for them in "A Dog Ate My Homework". Even the President (Rancid again) asks them to eat his speech. However, Dog suffers a moral crisis before he can do so, so Cat has to eat it. Nobody believes that a cat could eat homework, so Rancid is booed off the podium and goes back into the clowning business.
  • Aesop Amnesia: Parodied in "SquirrelDog," where Cliff has Eddie the squirrel glued to his back and learns not to treat two-headed people like freaks, but willingly disregards this as soon as he finds out that Eddie is only glued to his jacket.
  • All Just a Dream: In "Shriek Loves Dog", Cat plans to make Dog and Shriek fall for each other, hoping that the Greaser Dogs will thereby leave him alone. The rest of the episode is Cat's dream of what the consequences are: Dog marries Shriek, which causes the Greaser Dogs to move into their house and generally making Cat's life a living hell.
    • Also happens in "Dem Bones." The episode seemingly ends with CatDog in museum jail, but it turns out to be just a dream Cat had.
  • Alliterative Name: Rancid Rabbit and Evil Eric (Mean Bob's archenemy).
  • Alpha Bitch: Sally O' Neil, the teacher from Back to School.
  • Alternative Continuity: The movie ignores some of the events and continuity of the show, presumably for the benefit of non-fans.
  • Animal Jingoism: The Greasers hate cats, and this is one of the reasons why they regularly beat up CatDog.
  • Animation Bump: "Fetch" was produced as a theatrical short to be shown before The Rugrats Movie (which was later paired up as part of the regular half-hour broadcast), so it has much more theatrical-quality animation compared to a regular episode. This is very evident in the coloring of the characters and the more fluid character animation.
  • Anthropomorphic Food: Mr. Depot in "All You Can't" Eat appears to be a taco. Also Heinz, Esperanza, Frank and the rest of the minor food characters in "Meat, Dog's Friends."
  • Animal Talk: Subverted. Cat and Dog have no problem talking to Funny Animals.
  • April Fools: "Kooky Prank Day." Cat is on the receiving end of every prank in Nearburg, but by the end, he's turned the tables with a very impressive, very complex prank.
  • Art Shift: The episode where CatDog dream of themselves as separate animals.
    • The theatrical short, "Fetch," has more detailed animation and layouts, with shading and being animated on "ones", as opposed to being animated on "twos" like on the show.
  • Attack Pattern Alpha: Cat-Dog Wheel!
  • Aw, Look! They Really Do Love Each Other: Cat has moments like this towards Dog, usually when Dog's been utterly humiliated.
    • In "Full Moon Fever," Dog turns into a wolf-like form in the full moon. Cat decides to let Dog "get it out of his system" and he ends up joining the Greasers. Dog passes their initiation test, making Cat miserable all the while. He passes and they accept him, and even give him a tail by putting a plunger on Cat's head. Dog then looks at how miserable his brother is... and changes to his normal self because he doesn't want to see his brother suffer.
  • Ax-Crazy: Cat in "Monster Truck Folly" ends up attacking everyone unprovoked.
  • Babysitting Episode: In one episode, they have to babysit Cliff's niece. She eventually gets lost and when Lube comes to pick up the baby, they pass off Winslow as the baby and go look for her. They manage to get her back in enough time that Cliff doesn't find out.
  • Babysitter from Hell: Rancid Rabbit in Let the Games Begin.
  • Bad Future: Accidentally created when Cat made fun of Winslow for being small and puny, resulting in his distant descendant becoming an Evil Overlord. Disproportionate Retribution much?
  • Bald Head of Toughness: In one episode, Catdog compete in a sled race against the Greasers. Cat puts Dog through Training from Hell to get him ready for the race and tries to invoke this trope, shaving all of his fur off. Unfortunately, this backfires as Dog's lack of fur eventually gets to him and costs them the race.
    Cat: "He's mean, he's lean, and totally bald!!!"
  • Baseball Episode: In "The Unnatural," CatDog competes in a baseball game. Cat is a terrible player, but Dog isn't. Cat eventually gets the idea to pretend he is Dog and vice-versa so he'll look like a better player. In the end, he takes off his mask and tries to hit the ball himself... but he fails. However, Cat realizes that he's good at other things and decides that he doesn't need to be a good baseball player after all.
  • Beach Episode: In "Surfin' CatDog," CatDog goes to the beach and competes in a surfing contest against the Greasers. They win.
  • Be Yourself: Tough-acting tomboy Shriek tries to make herself "a real woman" so that Dog will take notice of her. It backfires when every guy except Dog ends up hitting on her.
  • Big Bad Wannabe: Rancid Rabbit happens to be ineffectual when he tries to be a major threat, especially in Extra, Extra.
  • Big Eater: Dog tends to have an enormous appetite, though Cat has put a lot of fish away at times.
  • Big "NO!": Near the end of "The Golden Hydrant", Cat yells one when Dog, the Greaser Dogs, and Eddie walk towards him as he crave the real Golden Hydrant inside a crocodile.
  • Biting-the-Hand Humor: "CatDog Food" involved CatDog becoming mascots for a pet food meant for both dogs and cats. Rancid Rabbit ends up firing them when Cat refuses to accept having his and Dog's likenesses used for useless merchandise such as bus passes and bricks, which may have been a dig towards Nickelodeon and the merchandise constantly made for their shows.
  • Boot Camp Episode: CatDog gets a military-style experience... at a clown school.
  • Butt Sticker: CatDog's dad ends up stuck to their mother's bottom after she sits on him at one point in "Vexed of Kin".
  • Calling Your Attacks: "CatDog WHEEL!"
  • Carnivore Confusion: Deconstructed in the final episode, when Dog goes through some massive Sanity Slippage after realizing the implications of this. Luckily, Johnny Meatseed ends up Real After All, and plants a ton of meat trees for Dog to feast upon as much as he wishes.
  • Cartoon Creature: Mr. Sunshine. Lampshaded on several occasions where no one is sure what kind of creature he's supposed to be.
    • Word of God has it he was originally meant to be a monkey.
  • Catchphrase: Several:
    • Cat: "Bee-yoo-tee-ful!", "It just doesn't get any better than this!", a sarcastic "Terr-riffic", and "MY BODY MY BODY MY BODYYYYAAAGH!!!"
    • Dog: "Hi-ho-diggety!", "Two heads are more than one!" and "I smell trouble!" when acting as Dog the Mighty
    • Winslow: "What are you, nuts?", and "Sheesh Louise!"
    • Rancid: "What, what, what?!" and "Leaping lumbago!"
    • Lola: "Hola, I am Lola!" and "Unbelieveable!"
    • Randolph: "And I love it!"
  • Cat/Dog Dichotomy: Cat and Dog, in addition to respectively being the species the trope refers to, are the exact opposite of each others' personalities. Cat tends to be the smarter of the two, prefers things to be clean, and often lets his greed get the best of him, while Dog is dim-witted, loves making messes, and is usually selfless and nice.
  • Cats Are Mean: Zigzagged. When Cat's written as mean, he's alarmingly mean; most of the time, however, he's more of a greedy and self-centered jerk than anything. He's even had his own moments of kindness and generosity. The cats of the Cat club however play this straight to a frightening degree in regards to their hatred of dogs.
  • Cats Are Superior: If either of the duo tries to accomplish something due to egotistical concerns, it's Cat. In general, he is also much more cunning and calculating than Dog. However, this means squat when Karma seems to have it out for him throughout the whole series, and rightfully so sometimes.
  • Cats Hate Water: Cat definitely has an aversion to water, considering that the conjoined twins' bathtub is missing his half.
  • Cats Have Nine Lives: In one episode, Dog accidentally unleashes Cat's other eight lives, and they have to get them back.
  • Chaotic Stupid: Cat will make anyone mad when the town has a crisis, even the police.
  • Chaste Toons: This show had a lot of them.
    • Rancid's niece Rancine appeared in the Christmas Episode, and is a spoiled brat.
    • In "Back to School" we meet the Greasers' nephews, Biff, Squeak and Bartholomew. The latter is actually smarter than his uncle Lube.
    • Brat and Runt, Winslow's nephews, appear in "Harasslin' Match." They start out nice to CatDog but after they kick Winslow out, they become even worse than him to the point that they want Winslow back.
  • The Chew Toy: Played as straight as can be with Cat. Nearly every character has the odd bout of extremely bad luck however.
  • Christmas Episode: Rancid's niece Rancine wants CatDog for Christmas in "A Very CatDog Christmas". Cat sells themselves to Rancid because he'll get a sports car if he does, and Santa (who'd already been disillusioned with the Christmas spirit) gets so angry about it he cancels Christmas. When Nearburg hears about it, they're all pissed off at CatDog. Thankfully, they manage to set everything right in the end and even get the Greasers to stop pounding them to celebrate Christmas.
  • Cloudcuckoolander: Dog tends to have very weird beliefs and habits.
  • Clown School: There is an episode where the titular duo go to clown school. It's played like a boot camp, with a drill instructor and parachute jumping.
  • Cold Turkeys Are Everywhere: When your girlfriend looks like a pizza, maybe you should stop for a snack...
    • To make preparations for a dancing contest, Cat puts an overweight Dog on a diet so he will be fit enough for the competition. This was often met with many setbacks because Dog kept hidden stashes of food which he ate while exercising. Eventually, under threat of disqualification, Dog relents and loses enough weight for the competition. This backfires where a starving Dog starts to hallucinate his surroundings as food (he envisions his dancemates as pizza pies and drum sticks as chicken legs). Dog finally breaks and proceeds to devour not only the buffet, but his dance mates and the entire theatre!
  • Come Out, Come Out, Wherever You Are: In "Guess Who's Going To Be Dinner", Cat, reverting to his natural instincts after tasting Winslow, says this while stalking Winslow in the bedroom.
  • Cone of Shame: Dog gets one in "Cone Dog." Cat discovers he can hear far-away things closer because of it, and decides to use it to blackmail people with their secrets. He then goes mad with power and starts to blackmail the entire world, putting Dog in ever-increasing Cones of Shame until he's in a dome-sized one.
  • Conjoined Twins: The titular characters are brothers joined from the waist down.
  • Conspicuously Light Patch: In the taco restaurant in the episode "All You Can't Eat" where CatDog crawl under the floor tiles and you can see the path they take outlined on the tiles, for example.
  • Corrupt Corporate Executive: Rancid Rabbit usually holds the position of being an extremely unscrupulous business executive no matter where he is.
  • Counting Sheep: In "Shepherd Dog", Cat has trouble sleeping at the beginning of the episode. After Dog becomes a successful sheep herder, his duties are no longer needed and the sheep are to be sent to the slaughterhouse. After the duo rescue the sheep, they bring them home where Dog uses them to help Cat get to sleep by jumping over the bed one at a time.
  • Crapsack World: Nearburg is shown to be a pretty unpleasant place to live for CatDog and their friends, probably because of Rancid.
  • Crazy-Prepared: Cat is the only person in the entire town who has a Species License.
  • Creator Cameo: Peter Hannan voices a character holding on to a Mean Bob balloon that got loose in the episode "Talking Turkey."
    • He also sings the theme song, and plays Pete the Polecat in "The Ballad of Ol' 159."
  • Curbstomp Battle: Tends to happen every time Catdog and friends try to fight the Greasers. Most notable was when Catdog and the Geekers were defeated by Cliff using just a pair of underwear.
  • Darker and Edgier: "The Great Parent Mystery" is definitely more serious than the series.
  • Dark Horse Victory: CatDog and Mindy Wonderful are climbing a mountain, and the first to the top will have the mountain named after them. The winner is Dunglap.
  • Dark Reprise: In "The Great Parent Mystery", the cats and dogs of Yokelburg sing a song called "Ain't No More", which is about how they've managed to set aside their differences and get along. After Cat refuses to be married to a hillbilly girl, this incites the McDogs and the Catfields to resume their feud and "Ain't No More" gets a reprise where they instead sing about how their living in harmony is now a thing of the past.
  • Deadpan Snarker: Winslow and Cat both have their share of sarcastic remarks.
  • Depending on the Writer: Is Cat a Jerkass that deserves his Butt-Monkey treatment, or just a mildly sarcastic and cynical guy who gets unfairly tortured by the rest of the universe?
  • Deranged Animation
  • Diabolus ex Machina: One of too many examples: CatDog accidentally create an extremely delicious candy that gives them worldwide fame and fortune. At the very end, it's revealed that it also has the unintended side effect of making people go bald, and everyone hates them again.
  • Didn't Think This Through:
    • Even after Dog tells Cat that he's allergic to shellfish in "Seeing Eye Dog", Cat insists that Dog eats a lobster, even shoving it down his throat. This of course, causes Dog to suffer an allergic reaction that makes his eyes so swollen that he can't see. Not exactly the smartest thing Cat has done.
    • In "You're Fired", Cat tries to douse his pepper-filled mouth with water. Given that water and capsaicin don't mix well, this only makes it worse.
  • Diet Episode: "Dog Ate It" has Cat putting Dog on a diet in preparation for them entering a dance contest.
  • Dinosaur Doggie Bone: There's one episode where Dog steals all the dinosaur bones from the Nearburg museum.
  • Disproportionate Retribution: In "CatDog Catcher", Dog gets arrested and Cat refuses to help him get out of jail. Why? Because several years prior to the episode, Dog apparently called Cat a "loser" once.
  • The Ditz: Lube and Dog aren't very smart and sophisticated dogs.
  • Dogs Are Dumb: Dog fits this trope perfectly.
  • A Dog Named "Dog": And a cat named Cat.
  • Dumb Is Good: Cat is intelligent and a bit of a Jerkass, and acts as the show's key Butt-Monkey. Dog for the most part is well intentioned but causes twice as much chaos via accidental stupidity and is a walking Karma Houdini (that said, there are times where Dog gets away with being a genuine Jerkass).
  • Earn Your Happy Ending: In The Great Parent Mystery, after their hardest quest yet.
  • Early Installment Weirdness: Lube has a completely different character design in the pilot episode.
    • If you watch the episodes that are early in the production order, you'll notice that Winslow is a lot nicer to Cat and Dog and mainly exists to accidentally stir up conflicts by making comments on Cat and Dog's situation rather than the malicious prankster he'd become in later episodes.
  • Ears as Hair: The Better Bottoms rabbit wears his ears in a sleazy ponytail style.
  • The Eeyore: Mr. Sunshine
  • Enemy Mine: Happens at least twice with the Greasers.
    • In "Let the Games Begin," both CatDog and the Greasers end up in the dog pound. Rancid Rabbit says he'll let them go if they compete in the dog pound Dogathlon against a team from Farburg. They fight amongst each other and lose the events until they decide they have to work together to get out of the situation.
    • In "New Cat in Town," CatDog makes friends with a giant cat who's out for revenge on the Greasers. They manage to trap the Greasers, but it then turns out that the giant cat was a robot controlled by Eddie the Squirrel, who goes insane and decides to enslave Nearburg. CatDog and the Greasers have to team up to stop Eddie, and eventually they do.
  • Episode Title Card
  • Expository Theme Tune: "One fine day with a woof and a purr..."
  • Expy: The Odd Couple's 1975 Animated Adaptation The Oddball Couple also featured the adventures of a neatnik cat and slovenly dog, albeit as separate entities.
  • Eyelash Fluttering: In the episode "The Lady is a Shriek", Shriek does this as she tries to flirt with Dog, who just thinks she has something in her eye.
  • Fantastic Racism: If the constant beatings Cat receives from the Greasers primarily for his species doesn't count then one episode's upper class cult of cats with Nazi-esque plans to exterminate dogs certainly does.
  • "Fantastic Voyage" Plot: Done in several episodes where Cat eats several objects, Winslow- and a fish named Veronica and has to venture inside Dog to get her.
  • Fat Bastard:
    • Rancid Rabbit is kind of portly and is often very rude and corrupt.
    • "CatDogula" has the head vampire tick Nosferacho. Cat even points this out.
    Cat: Who would've thought that blood would be so fattening?
  • Fat Idiot: Rancid Rabbit (again).
  • Feud Episode: There's quite a few. "Dog Come Home" features Dog deciding to leave Cat and live on his own. They reconcile by the end of the episode. Also "War of the CatDog"
  • Fire-Breathing Diner: Happens a few times.
    • In "You're Fired," when CatDog manages to get entry into a classy restaurant, Dog can't keep away from the chili peppers. They cause Cat to belch out flames, which helps him attract his "soulmate" Tallulah by broiling her steak for her. It soon backfires when he accidentally burns her pet dog into ashes.
    • In "Spaced Out," CatDog gets trapped in a movie, and to destroy the enemy forces, Cat gulps down a box of Dog's favorite candy, Red Hot Lip Smackers, into his mouth and uses Dog as a pistol to burn the alien ships.
  • Firehouse Dalmatian: A Dalmatian puppy who resides in Nearburg's fire station appears in the episodes "Trespassing" and "Fire Dog".
  • The Fool: Dog frequently causes multiple catastrophes and Amusing Injuries with his stupidity though more often than not fate is on his side and leaves him unscathed (and then punishes Cat twice as hard for the both of them).
  • Foreshadowing: Early in The Movie, Dog makes a comment about remembering his and Cat's mother's "four eyes" and their dad's "slimy green skin." The dad is a frog who hides himself in the mother's face.
  • Fourth-Wall Mail Slot: A short in the first episode featured a mail segment. When they had no mail, Dog resorted to making up a question and answering it. In the end, though, it turns out Winslow was hiding the mail from them.
  • "Gift of the Magi" Plot: Happened in the episode "Brothers Day", then subverted when Dog sold Cat's gift after buying it to buy something for himself. More specifically, Dog gave up his pool of mud that he and Cat wrestled in to buy Cat a loufa case. Cat sold his loufa to get Dog a mud wrestling costume. Dog reveals that he sold the loufa case and got Cat a mud wrestling outfit as well, because "I looked up the recipe for mud, and it's really easy to make!"
  • G-Rated Drug: Whatever Eddie had to make him go hyperactive.
  • God Guise: An episode had CatDog land on a tropical island and get mistaken for a god called the Great Meow-Woof. Rancid Rabbit, the previous god, was not happy and tried to run them off the island.
  • Grand Finale: The Movie titled "The Great Parent Mystery".
    • They still made 5 episodes after that, which were not aired in the USA until years after the fact.
  • Gratuitous Spanish: Lola, the Peruvian Vampire Ticks, and Esperanza.
  • The Grotesque: Mr. Sunshine and Eddie the Squirrel, to a ridiculous extent.
  • Growling Gut: In the opening theme, Cat licks the fur on his arm while Dog naps. Dog is awakened by rumbling in CatDog's stomach, and he coughs out a hairball.
  • Grumpy Bear: Mr. Sunshine, who's basically pissed at everyone for no real reason.
  • Gym Class Rope Climb: In "Back to School," Cliff is the gym teacher, and takes joy in making the students do this. Cat manages to do it successfully, however, humiliating Cliff in the process.
  • Hairball Humor: The intro has Cat licking his fur and Dog coughing up hairballs.
  • Hanlon's Razor: Both of the two leads are pretty inconsiderate to each other. In most cases though, the story tends to side with Dog, who is at least too dumb to know any better.
  • Happily Adopted: CatDog themselves.
  • Halloween Episode: "CatDogula" has Dog bitten by a Peruvian vampire tick named Nosferacho and turned into a vampire. Cat, who's wearing a garlic lei for his costume, is not affected. Lola tells Cat that this can be reversed if he soaks Dog in garlic juice by the twelfth stroke of midnight. Over the course of the episode, everyone turns into vampires, but Cat manages to soak everyone in garlic juice before the time is up. Winslow ends up being bitten by a werewolf and everyone running for their lives
  • Have a Gay Old Time: One of Winslow's lines directed toward Cat, which goes "How 'bout I sock you right in the pussnote , Puss!note ". They could get away with it in the 90s, but given the term's change in usage over the years, it's a miracle that this line was able to stay in on re-airings.
  • A Head at Each End: The whole premise of the show.
  • Heroic Dog: Dog tries to become a literal one in "Dog the Mighty." He's not that good at it until the end, when he manages to really save the day.
  • Hidden Depths: Each of the Greasers has at least one trait they kept secret or never bothered telling anyone about. Cliff is an expert ballet dancer. Shriek is actually from a wealthy family. And Lube's a pretty good mechanic.
  • Hindenburg Incendiary Principle: "Catdogpig" had a blimp advertising job interviews keep appearing in the sky as a Running Gag. In the end, it crashes into the pile of people CatDog detached from themselves and blows up, sending them all flying in the explosion, as Cat and dog watch and laugh.
  • Historical In-Joke: "The House of CatDog" features a few of these. To protect their house from destruction, CatDog claims that their house was the site of the invention of fire, the signing of the Declaration of Independence, and a visit by The Beatles.
  • Horrible Camping Trip: In "CatDog Campers," CatDog have to camp outside to win the Forest Fire Boy of the Year award. It doesn't go well, as they start feuding, and eventually a storm comes up and destroys the tent. Winslow manages to save them from falling off the cliff outside their home, but at the Forest Fire Boys meeting, he reveals he became a member of the troop and wins the award for what he did. Cat gets so angry he ties Dog's ears in a knot, and it's such a good knot, Scoutmaster Rancid Rabbit takes the award away from Winslow and gives it to CatDog instead.
  • Hypocrite: As a Greaser Dog, Cliff is supposed to hate and beat up cats but he has no problem if the cat in question happens to be female as seen in "Back to School" and "Adventures in Greaser Sitting".
  • Hypocritical Humor: Dog could be the poster child of Innocently Insensitive, obliviously causing endless pain and misery for Cat. The odd point Cat does something selfish at his expense however, he is quick to take offense.
  • Idiot Hero: Both of Catdog (although, Cat is meant to be smart).
  • Idiot Houdini: Dog tends to get away with ruining Cat's day through his idiocy. And if he manages to ruin someone else's day, it is usually Cat that is punished.
  • Impossibly Delicious Food: "CatDog Candy" from the episode of the same name. Unfortunately, it also makes you go bald.
  • Interspecies Romance: Catdog's adoptive parents, a bigfoot and a frog, are this. Presumably, so were their biological parents.
  • Inevitable Waterfall: In The Great Parent Mystery.
  • Inexplicably Identical Individuals: Rancid Rabbit holds a different job whenever he appears? Dentist, dog catcher, fast food restaurant manager, you name it. Taken to its logical extreme where he is seen working as a teacher and a traffic cop in "Back to School", Cat is absolutely stunned.
  • Inexplicably Tailless: Winslow the mouse has no tail.
  • Informed Species: Eddie hardly looks like a squirrel. Winslow hardly looks like a mouse.
    • Lola is apparently a whip-poor-will. This is what Lola looks like. And this is what a whip-poor-will looks like.
    • Despite what everyone thinks, Winslow claims he's not a mouse
  • Interspecies Adoption: Catdog's parents are a frog and a sasquatch. They were all separated from each other during a storm. When Cat questions how they could be their parents, their dad tells them that it doesn't matter, because parents are parents, and they loved them both. Dog does notice that it seems he got his nose from his mother though...
  • It's a Wonderful Plot: A well-named example of a subversion. Instead of imagining a world without themselves, they imagine a world without each other.
  • Jail Bake: Subverted. A bunch of inmates receive a file, but Shriek uses it on her fingernails and then uses said fingernails to pick the lock.
  • Jerkass: Lots and lots of characters. Rancid Rabbit, The Greaser Dogs and Winslow are some of the most obvious examples. Even Cat and Dog can become contemptible bastards depending on the episode (Cat more often than not, as he has jerkass traits).
  • Jerkass Has a Point:
    • Considering how dumb, destructive, and uneducated Dog can be, it's no wonder Cat can be a grouch sometimes.
    • In the episode "Flea Or Die," Cat bluntly tells Dog that it was the latter's fault that they had fleas. Considering how Dog was running around on the beach and he was the one who came in contact with the guy who originally had the fleas, Cat was completely right in calling Dog out.
  • Kafka Komedy: This is the closest Nickelodeon ever came to "Schadenfreude: The Animated Show" arguably until Invader Zim. Much of the humor is based around the misery and utterly awful life of the main characters, juxtaposing Dog's blissful, optimistic ignorance with Cat's anguished, cynical resignation.
  • Karma Houdini: Most of the cast (even Cat) has gotten away with some particularly ruthless action at least once. Dog may be the most consistent example, having constantly gotten away with destroying aspects of his twin's life or getting him in trouble (though the fact most of the antagonists are cat-despising dogs that go lenient on Dog may have something to do with). Granted however a lot of the time, Dog is merely being stupid than actually callous, though not always.
  • Karmic Butt-Monkey: Zigzagged with Cat. He will receive some kind of punishment for his arrogance, but not all of it is karmic, like whenever Dog's recklessness puts them both in trouble.
  • Keet: Dog.
  • Kids Are Cruel: Back to School
  • Killer Rabbit: Let The Games Begin!
  • Killer Robot: Winslow's X-Terminator 3000 in the episode "The Pet", a red robot with a laser and pilot controls inside its head. It shouts "Exterminate and Destroy" and attempts to kill Roachie and CatDog.
  • Late-Arrival Spoiler: "Vexed of Kin" spoils CatDog being reunited with their adoptive parents in "The Great Parent Mystery".
  • Licensed Game: CatDog: Quest for the Golden Hydrant, unrelated to the show's episode "The Golden Hydrant", was a computer game where the player controlled CatDog through various minigames. A PlayStation game called Saving Mean Bob was also planned, but was never released.
  • Lions and Tigers and Humans... Oh, My!: The occasional human pops up in a few episodes.
  • Living Toys: The Mean Bob action figures in "The Collector".
  • Lonely Rich Kid: Shriek Dubois.
  • Mad at a Dream: In the episode "Dummy Dummy," Dog becomes fond of a stuffed kitten toy he names "Little Cat." This causes Cat to have a bad dream where Dog decides to literally attach himself to Little Cat, leaving Cat himself attached to Winslow (making them "Winslow-Cat"). The dream makes Cat decide to move out of the house, telling Dog that he refuses to be replaced by Little Cat, and also declaring "And I will not stand for Winslow-Cat!"
  • Made-for-TV Movie / The Movie: CatDog: The Great Parent Mystery.
  • Mailman vs. Dog: The plot of "Fistful of Mail" revolves around this trope.
  • Manchild: Dog tends to be more childish than Cat. Justified, as he's a dog.
  • May Contain Evil: Rancid Rabbit's yelling voice in CatDog Divided & Let The Games Begin.
  • Meaningful Echo: "Meat Dog's Friends" has "You learn something new every day". Cat first says this early in the episode while showing cruel indifference towards Dog being horrified to learn that meat is made from animals. Cat later says it again when he is surprised to find out that meat trees and Johnny Meatseed are real.
  • Meat-O-Vision: Dog suffers this after going on a diet. See Cold Turkeys Are Everywhere.
  • Minion with an F in Evil: Lube is part of the Greaser Gang who endlessly torment CatDog, but is also the noticeably stupider and more docile out of the three, having at least a few occasions he acts obliviously friendly or is just otherwise too ineffectual in his bullying.
    • In "Lube in Love" he isn't even the villain. CatDog seem to be on a friendly relationship with him, letting him fix their car, and even help him try to meet someone who he's fallen in love with.
  • Mistaken for Apocalypse: In "The End," though another bad omen appears.
  • Mix-and-Match Critter: CatDog. Also, Mr. Sunshine the pigman.
  • Mole Miner: A gopher lives under CatDog's house, claiming ownership of anything underneath it.
  • Mouse Hole: Winslow lives in one of these.
  • Multiple Head Case: CatDog. Subverted, as they're conjoined twins.
    Tropes N-Z 
  • The Napoleon: Winslow, Mr. Sunshine and Eddie the Squirrel
  • New Job as the Plot Demands: Rancid Rabbit. According to one episode, he has all the jobs. All of them. In that episode, Rancid is a dog catcher and is trying to catch Dog. He then decides to use his mayoral powers to grant himself a search warrant.
  • Nice Mean And Inbetween: Dog, Winslow and Cat, respectively.
  • NightmareFuel: In-Universe; example with Dog in the episode "Nightmare", in which Dog was scared of a monster from a horror movie. Made worse when it was revealed that Tooth Pick Head was real. Also all the removing of their faces could be considered quite creepy.
  • Nightmare Fuel Station Attendant: Rancid Rabbit
  • No Celebrities Were Harmed: Randolph is a dead ringer for Cary Grant.
  • No-Holds-Barred Beatdown: CatDog usually receives this from the Greasers. Cat mostly gets this when Dog is running, but many, many episodes imply or show that both of them are getting the crap beaten out of them.
  • No Indoor Voice: Rancid Rabbit, Shriek, and Eddie The Squirrel.
  • Obsessive Hobby Episode: In one episode, Cat becomes obsessed with collecting Mean Bob action figures.
  • Odd Couple: Cat is cynical and stoic, while Dog is excitable and fun-loving. They still manage to get along in spite of their differences most of the time.
  • Odd Name Out: In "Back to School", it is revealed that Cliff, Shriek, and Lube are uncles and an aunt. Cliff's nephew is named Biff and Shriek's niece is named Squeak, but Lube's nephew doesn't have a name that rhymes with that of his uncle's and is known as Bartholomew.
  • Oh, the Humanity!: In "Fire Dog," Dog says "Oh, the humidity" when he thought that he's losing hope on stopping a farm fire.
  • One-Winged Angel: Rancid of all characters pulls this off in "Sumo Enchanted Evening", when the now heavily overweight CatDog attempt to brush off Rancid's ridiculously high buffet bill, Rancid responds by ripping off his suit, revealing a girdle—which upon releasing causes him to expand to a positively massive sumo wrestler, and promptly duels them one on one.
  • Only Known by Their Nickname: Cat, Dog, Cliff, Shriek and Lube are almost always referred to by their nicknames. Their real names, mentioned in a handful of episodes, are Felinius, Caninius, Clifford, Alice and Ignatius, respectively.
  • Only Sane Man: Mervis & Dunglap
  • Our Vampires Are Different: The Halloween Episode "CatDogula" featured Peruvian vampire ticks who turn nearly everyone in Nearburg into a vampire except Cat. In the end, Cat manages to cure both the citizens of Nearburg and the ticks of their vampirism by dousing everyone in garlic juice.
  • Our Werewolves Are Different: It is established in "Full Moon Fever" that the full moon causes Dog to transform into a wolf-like state.
  • Partially-Concealed-Label Gag: In episode "Battle of the Bands", Catdog joins a "battle of the bands" contest after seeing a poster that reads "Battle of the Bands, Nearburg's Best", along with a $1,000 reward. Part of the poster flies off and lands at the Greasers' feet, instead reading "Battle of Nearburg's Best". The Greasers enter the battle too but mistake it for a literal fight rather than a music battle between bands.
  • Passing Notes in Class: When CatDog gets sent back to high school to get their diploma, Cat tries to pass a note to his teacher, whom he had a crush on when they went to high school together. She catches him and forces him to read the poem to everyone else, causing Cat to melt into a puddle. Dog, however, thinks the poem was beautiful.
  • Paper-Thin Disguise: CatDog tries many of these in the episode when they are banned from Taco Depot. They don't fool Rancid Rabbit one bit.
  • Pec Flex: Dog does this in "Pumped."
  • Ping-Pong Naïveté: Somehow Dog is smart enough to know the ethics against cheating and doing schoolwork but not to realize that dragging his conjoined twin across the street may cause slight physical harm.
    • This is slightly less so when you realize that he is a dog. Dog is usually not in control of his instincts, and like most dogs, can't control themselves when they chase the garbage truck or the mailman.
  • Plot Allergy: In "Sneezie Dog," Dog suddenly develops an allergy. They go to the doctor, who thinks that Dog may be allergic to Cat. Winslow decides to help Dog out, and takes the opportunity to torture Cat, as usual, up to shaving him bald and placing a brick wall between them. Eventually they find out Dog is actually allergic to Winslow, and they shave him bald as payback.
  • Polar Opposite Twins: CatDog. Cat tends to be more mature and short-tempered, while Dog is a fun-loving doofus with childish interests.
  • Potty Emergency: Dog goes through this in "The Golden Hydrant" when Cat refuses to let him pee on the titular hydrant and the poor canine is forced to endure holding it in for the entire episode.
  • Prison Rape: This is implied to happen to Rancid Rabbit at the end of the episode "CatDog Catcher" when his burly cellmate grabs him from off-screen as the episode irises out.
  • Real Greasers Take Ballet: Cat finds out Cliff takes ballet in one of the episodes. This results in him bursting out laughing at Cliff whenever he sees him, causing Cliff to freak out over what Cat may possibly know. Ironically, after finally coming clean about several other, more embarrassing secrets (like a tendency to wet the bed), when Cat reveals the big secret is that he saw Cliff taking ballet class, Cliff calms down. He's not even the slightest ashamed of practicing ballet, pointing out that it requires amazing levels of balance, stamina, flexibility and strength; he even got into ballet because a wrestling champion icon of his practices it to enhance his own skills in the ring.
    • Incidentally, there's a strong element of Truth in Television to this. Many football players in real life take up ballet to improve their balance, stamina, and flexibility.
  • Ridiculously Cute Critter: Seeing as they were at once a Cute Kitten and a Precious Puppy, it's not surprising that CatDog were adorable when they were babies.
  • Riddle for the Ages: How an organism like CatDog could possibly have come to be is never revealed.
  • Rollercoaster Mine: Happens in "Diamond Fever." It's taken Up to Eleven in that as CatDog is riding along the track, their mine cart is breaking apart.
  • Running Gag:
    • Someone calling Cat "Hula Girl" due to his costume in the Halloween Episode, "CatDogula".
    • In "No Thanks For the Memories", Dog getting knocked out, waking up with amnesia and screaming about being attached to a cat.
  • Sadist Show: Often. Make no mistake, this is a mean show.
  • Sadist Teacher: Rancid Rabbit, Mr. Sunshine, Cliff and Sally O' Neil are this in Back To School.
  • Safety Worst: "Safety Dog." Cat tries to make Dog safer by showing him a safety video. Dog is scared by the video and becomes so paranoid that he encases himself in a bubble when he goes outside. Cat has to turn his brother back to normal after seeing what happened.
  • Saw Star Wars 27 Times: In the episode "Spaced Out", Dog wanted to see Mean Bob in Space, Part 12 for the 73rd time. Dunglap also wanted to see the movie for the 74th time in the same episode.
  • Scaling the Summit: The episode "Climb Every CatDog" has Cat trying to climb Mount Nearburg against his childhood rival Mindy Wonderful, the prize being that the mountain will be renamed after whoever makes it to the top first. Of course, CatDog gets intro trouble when they accidentally leave their gear behind at the sporting goods store, but they still manage to get to the top...only for them to see that Dunglap made it first so he can give them the gear they forgot.
  • School Yard Bully All Grown Up: In "Fistful of Mail," it turns out the new mailman on CatDog's route is the paperboy who used to taunt Dog when he was a puppy.
  • Script Wank: An in-universe example where Cat teaches Dog not to eat meat as animals are friends. It's a buildup point for the related Aesop to be subverted.
  • Selective Enforcement: Most of the time, Cat suffers the worst of anyone's retribution, even if Dog was the one who annoyed them. Justified for the Greasers, given they're dogs who despise cats (Shriek is lampshaded as going easy on Dog due to having a crush on him).
  • Serious Business: What happens to people who break the rules at Rancid's pool? He puts them in his own prison and forces them to do manual labor. On his pool.
  • Shaped Like What It Sells: Most Nearburg businesses have this trait, most notably Taco Depo, which is shaped like a Taco
  • Shout-Out:
    • In "Full Moon Fever", Cliff says, of Dog, "Gobble gobble, one of us."
    • In "Just Say CatDog Sent Ya", Cat says "Roses are red and violets are purple / Sugar is sweet and so is maple syruple", a lyric from the Roger Miller song "Dang Me".
    • The episode "Geekers" is pretty much one giant one to The Warriors.
    • In the Halloween special, Dog has been turned into a vampire. When he's unconscious, he mutters the names of famous actors who've played vampires, including Bela Lugosi, Klaus Kinski and Christopher Lee.
    • "All About Cat" has a title and plot that parodies the film All About Eve.
      • The lyric the nurse sings when Lincoln is born is "It's a boy Mrs.'s a boy!" Gee...sounds familiar...
    • In "Vexed of Kin," Cat and Dog's frog father crosses the street in a parody of Frogger which ends with their Sasquatch mother—rendered in similar graphics—following him across the street, causing a widespread series of car collisions and accidents due to her girth.
    • In "Cliff's Little Secret", CatDog exit a movie theater with Dog remarking "That was a great movie! Who's Rosebud?" A poster depicting SpongeBob SquarePants, albeit colored purple and with one tooth, can also be seen.
  • Shown Their Work: In "You're Fired", Cat tries to cool down the spicy sensation of hot peppers by guzzling down a pitcher of water. All this does is make the resulting Fire-Breathing Diner worse. In real life, water actually does exacerbate spiciness, as it causes the capsaicin (the chemical that causes spiciness) to spread. Milk and/or bread is generally considered the better option.
  • Sitcom Arch-Nemesis: Rancid Rabbit seems to have a sadistic grudge against Cat.
  • Slapstick: A lot of it, usually directed towards Cat, but everybody on the show has gone through it at one point or another.
  • Sled Dogs Through the Snow: The episode "Mush, Dog, Mush!" has CatDog participate in a sled dog race called the Idigadog Sled Dog Race. The name is a parody of the real Iditarod race.
  • Snap Back: Many episodes end with CatDog in an unpleasant predicament, only for everything to be back to normal by the next episode. Notable examples include losing their house to the Gopher in "Home is Where the Dirt Is" and apparently being permanently trapped inside a Mean Bob movie in "Spaced Out".
  • Stalker with a Crush: Cat seem to be this with Sally O' Neil.
  • Status Quo Is God: It just doesn't get any better than this!
  • Stealth Pun: In "Shriek Loves Dog", Shriek agrees to meet Dog at a "footbridge". It's a bridge with pylons shaped like feet.
  • Stock Ness Monster: Bessie the Lake Monster in The Great Parent Mystery.
  • Sucky School: The school from Back To School, which is basically run by people who have grudges with Cat from no real reason (expect Lola).
  • Surrounded by Idiots: Cat tends to be frustrated by the idiocy that goes around him. It doesn't help that he's attached to one!
  • Small Name, Big Ego: Cat quite often has an inflated opinion of himself.
  • Smart Jerk and Nice Moron: The titular two-headed creature, who has the head of both a sophisticated but elitist cat and also a simple-minded, easygoing dog. Naturally, Cats Are Mean and Dogs Are Dumb stereotypes abound.
  • Smug Snake: A suitably reptillian one appears as a super-fast mailman, the first mailman that Dog is unable to defeat. Dog eventually gives him what he deserves at the end.
  • Swallowed Whole: Happens often to Winslow and once to Veronica.
  • Take That!: Cliff's secret shame is that his real name is Clifford.
  • Tempting Fate:
    • "It just doesn't get any better than this!". Oh, it's about to get a lot worse.
    • In "CatDog Cousteau", when CatDog and Lola find a treasure chest in a sunken ship, Cat claims that unlike all the other times they briefly got rich nothing could ruin that moment. Sure enough, the Greasers then show up demanding the treasure.
    • In "Dog, Come Home!" Dog runs away from home. Cat says he's happy to have the house to himself so he can enjoy doing whatever he wants to do. Almost immediately, Winslow shows up and starts annoying Cat.
  • Terrible Trio: The Greaser Dogs are three bullies who always pick on CatDog.
  • The Tooth Hurts: When CatDog visits the dentist, they learn that whatever one does to his teeth affects the other's instead, as Cat has brushed his teeth all day which gave his brother perfect pearly whites. However, Dog ate mostly garbage which rotted out his brother's. This eventually escalates into a full-on battle, with each side trying to destroy the other's teeth.
  • This Loser Is You: Cat.
  • Throw the Dog a Bone: Happened a LOT more often than this page'd have you think. For example, in "Dog Ate It", Dog's eaten everything in the dance hall and made Cat's date break up with him (understandable, as Dog ate her sister)... but Randolph loved what they did so much he gives them the trophy for Best Dance!
  • Time Travel Episode: "CatDog 3001," where they're sent into the future to save the people there from Winslow's giant evil descendant.
  • Tiny Guy, Huge Girl: Their parents. Their mother is a big sasquatch-like being while their father is a frog.
  • Tomboy: Shriek. The other two Greasers had to do a Double Take QUADRUPLE TAKE when she finally confirmed she was a girl.
    • Cat's occasionally hinted at, but unrequited, crush on Shriek is probably the only exception to the reactions everyone but her parents displayed at this revelation.
  • Trademark Favorite Food: Crossing over with Stock Animal Diet, Dog loves bones and Cat loves fish. Their house is even made of a giant bone fused to a giant fish.
  • Tsundere: Shriek
  • Too Dumb to Live: Dog, The Greasers, & Rancid Rabbit.
  • Toilet Humour: Much like other Nickelodeon shows, this one had its share of toilet humor. A fair amount of it occurs in "The Great Parent Mystery", which includes a butt-shaped UFO landing on a rock formation shaped like a toilet, CatDog and the Greasers vaguely referring to getting out of Bessie the Sea Monster "the old-fashioned way" after being eaten alive by her, and the fight between the McDogs and the Catfields having a dog stand in front of a hose spraying water at an angle that makes it look like he's peeing the water.
  • Totem Pole Trench: In their debut episode, the Ingrid Twins stood on each others' shoulders so that they appeared to be a taller woman.
  • Trapped in TV Land: "Spaced Out." After being dragged to Dog's favorite movie for the 70th or so time, Cat tries to stop the movie but gets sucked into it instead. Mean Bob, the star, gets destroyed and they have to take his place, managing to do a good job at it.
  • Two Beings, One Body: CatDog, of course, due to being conjoined twins.
  • The Unfavorite: Cat worries that he is this in "Vexed of Kin."
  • Ungrateful Bastard: Cliff and Rancid Rabbit would continue to pick on and torment Cat and Dog regardless of all the times they helped them out.
  • Unimpressive Progress Reveal: One episode have CatDog spending the whole day climbing Mount Nearburg to try and get a head-start from Mindy Wonderful. Unfortunately, by the time tomorrow comes around, they only managed to climb a small elevated ledge from ground height, and could have walked around instead.
  • The Unreveal: The Great Parent Mystery. What, were you expecting biological parents?
    • Also we never find out why does Rancid Rabbit work as a Teacher and a police officer at the end of "Back to School".
  • Unstoppable Rage:
    • Happens when Cat snaps at a Monster Truck Rally. Cat clobbers everyone who's screwed him over in past episodes, especially at the end when he destroys Cliff's Monster Truck with a single punch. He also clobbered Mervis, Dunglap and Lola, all of whom were their friends.
    • Dog in "Pumped", since the protein shakes he ends up drinking have the side effect of causing crankiness.
  • Urine Trouble:
    • Hinted at in the beginning of "Let the Games Begin!"
    Cat: That wasn't a fire hydrant, Dog. That was the dog catcher's leg!
    • "The Golden Hydrant" has CatDog find the titular golden fire hydrant. Cat wants to make money off of it, so he does everything he can to prevent Dog and the Greasers from marking their territory on the hydrant. The Greasers eventually pee on the hydrant, revealing it to actually be an ordinary fire hydrant painted gold. Later, Cat finds another golden hydrant, only for a crocodile to eat CatDog, the Greasers, and Eddie the Squirrel. Cat clutches the hydrant and begs the others to stay away as they walk toward him with longing looks. The scene then cuts to outside the crocodile, where Cat remarks "Well, at least we know this one's real", implying that Dog, the Greasers, and Eddie peed on Cat.
  • Vampire Vannabe: "CatDogula" has Eddie the Squirrel's desperation to join the Greasers taken further when he begs the vampirized Greasers to bite him so that he'll become a Greaser vampire. As usual, the Greasers just ignore him.
  • Villain Protagonist: Cat whenever his greed gets the best of him.
  • Visual Pun: In "All About Cat", Cat is rehearsing for a part in the Abe musical. He acts like a Large Ham, and Dog slides an opened can of Ham in front of him (as he's eating the contents)
  • Vocal Evolution: In the earliest episodes, Dog's voice is noticably deeper and rather nasally.
  • Weaksauce Weakness: In "Greasers in the Mist", where Lola attempts to infiltrate the Greasers on behalf of CatDog to learn their weaknesses, several characters refer to this trope as "Porkfat", named after the weaksauce weakness of the in-universe movie character, Mean Bob.
  • Went to the Great X in the Sky:
    • Cat tearfully tells Dog that they've gone to the big scratching post in the sky when he believes they have died in "Fred the Flying Fish".
    • This exchange from "It's a Wonderful Half-Life".
    Shriek: You're going to that great big litter box in the sky!
    Lube: (Looks up) Where?
    • In "CatDog 3001", Winslow's descendant Winslow the 38th asks CatDog if they're ready to go to the big litter box in the sky.
    • Cat refers to dying as "skiddly-bopping to the lonely alley in the sky" in "Cat Gone Bad".
  • Why Did It Have to Be Snakes?: Rancid Rabbit, Eddie The Squirrel & The Greaser Dogs in Rinky Dinks
    • Cat, being a cat, hates water.
    • A majority of dog characters (Dog, the Greaser Dogs, etc.) are terrified of ticks.
  • Working on the Chain Gang: Characters are seen breaking blocks of chlorine tabs for violating the rules at the public pool.
  • Yank The CatDog's Chain: And how! They create a successful candy, and everyone goes bald! They finally move their house to a beautiful lake, but Rancid drains it at the last minute! They think they beat a childhood rival to the top of the mountain, but it's revealed a third party beat them both! If it just doesn't get any better than this, it won't.
  • Yet Another Christmas Carol: Dog experienced this in "Meat Dog's Friends", but with the ghosts of meat products he ate such as burgers and tacos telling him why it was wrong to eat them. Mervis serves as the equivalent to Jacob Marley for some reason.
  • You Have Outlived Your Usefulness: Cliff and Shriek attempts this to Eddie by dropping him into the crocodiles after he retrieves the Golden Hydrant for him but Eddie survives from his injuries.


Video Example(s):


CatDog - Winslow Walks Out

Winslow does a 180, not wanting to get involved in what he just walked into.

How well does it match the trope?

5 (38 votes)

Example of:

Main / SorryToInterrupt

Media sources: