[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/MBC.jpg]]
[[caption-width-right:350:Left to right: Cathy, Sam, Chris, and Danny.]]

->''"Hi! My name is Cathy. My grandpa and I came from planet Rhapsodia to power up an age-old secret society. With my new friends, our mission is to battle troublemaking aliens around Singletown. We are... the [[TitleDrop Monster Buster Club]]!"''
-->-- '''Cathy Smith''', the opening sequence

'''''Monster Buster Club''''' is a French-Canadian co-produced [[AllCGICartoon computer-animated]] series produced by [[Creator/MarathonMedia Marathon]], the animation company where ''WesternAnimation/TotallySpies'' and ''WesternAnimation/MartinMystery'' were created. It's about a foursome of twelve-year-olds (Sam, Chris, Danny, and Cathy) who, as members of an "age-old" secret society called [[TheEponymousShow the Monster Buster Club]], protect the city of [[CityOfAdventure Singletown]] from troublemaking aliens.

The four kids are all [[WiseBeyondTheirYears surprisingly mature for their age;]] not only do they not seem to depend on their parents, they've been seen to hold part-time paying jobs in spite of being twelve years old. Their only adult supervision comes from [[EccentricMentor Cathy's grandfather]], a well-meaning [[TheMasquerade alien disguised as an old man]] who oversees the Monster Buster Club's operations, although [[AdultsAreUseless he's far from a reliable mentor]], being much more interested in tending to his garden.

In each episode, the kids' everyday affairs are interrupted by one of the outrageous alien villains from their RoguesGallery (often with a bizarre, harebrained scheme such as turning the entire planet Earth into an exclusive nightclub), whom the [[KidHero kid heroes]] must suit up and stop. Along the way, they must also deal with [[RichBitch obnoxious millionaire]] Mark and their school principal, Ms. Rollins, who was an officer in the armed services and runs the school like a battleground.

Now has a [[Characters/MonsterBusterClub Character sheet]]. Tropers are encouraged to contribute.

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!!''Monster Buster Club'' provides examples of the following tropes:

* AbsurdlySpaciousSewer: The MBC network tunnels are large enough to park the MBC Pods. Those tunnels are said to be important tools for protecting humans and aliens on Earth.
* AcademyOfAdventure: Singletown Middle School, at least for our heroes. Everyone else is unaware of the alien-battling that takes place there.
* {{Acrofatic}}: Pizmo the Plump
* ActionGirl: Sam; Cathy
* ActionHoggingOpening
* AdorablyPrecociousChild: John
* AgentScully: Mr. Fusster. [[spoiler:Subverted in that he's just putting on an act and he actually knows that aliens do exist. Unfortunately, WordOfGod says that he and the MBC will never know if Mr. Fusster is an alien.]]
* AirVentPassageway: Cathy, in "Sticky Situation".
* AlienInvasion: The Spoilers destroying Singletown in "Famous Four (Part One)".
* [[AlienLunch Alien Snack]]: The Gumblians.
* AliensSpeakingEnglish
* AllAnimalsAreDogs: Moppy looks like a cat, but behaves like a dog.
* AllCavemenWereNeanderthals: Krog
* AllCGICartoon
* AllPartOfTheShow: In the episode "Acting Out", Wedge attacks Cathy during the ''Theatre/RomeoAndJuliet'' school play, forcing the other busters to intervene in full view of their classmates. Thankfully, they manage to make the whole thing pass for a Sci-Fi retake of the play with John's help.
* AllThereInTheManual: The show's [[http://monsterbusterclub.fr/ website]].
* AlphaBitch: Wendy
* AlmostKiss: Cathy and Jeremy in "The End Of Everything (Part One)".
* AmbiguouslyBrown
** Chris. Strangely, Chris' little brother John is a DarkSkinnedRedhead.
** Sam to a lesser extent. WordOfGod confirms Sam's ethnicity: she's Italian and Armenian.
* AmbiguouslyGay: Ralph. In "Sore Winner", he takes his role as a Warrior Princess.
* AmusingAlien: Casanova, Mr. Smith's favorite plant.
* AndNowYouMustMarryMe
** Krog to Principal Rollins in "Me Krog, You Rollins".
** Mimi to Mr. Fusster in "Here Comes the Bride".
* AnimeHair: Danny
* AnnoyingLaugh: Principal Rollin's laughter.
* AnnoyingYoungerSibling: John, Chris's kid brother.
* ArtificialHuman: Danny and Sam's clones, D34 and S2. [[spoiler:Turns out those two robots want to destroy and replace Danny and Sam.]]
* ArtShift: Two-dimensional art, such as posters and pictures, are rendered in {{Animesque}} style.
* AsskickingPose
* AttackOfThe50FootWhatever: The Jellynerp, in "Cloudy with a Change of Jellynerps".
* BabyPlanet: Planet Nebulak, which looks like a bowling ball.
* BadassNormal: Even without their weapons they can still kick alien butt. Except Chris.
* BadSanta: Dingle[[spoiler:, but he's actually sharing joy in Christmas.]]
* BatmanGambit: Danny pulls off one of these in "World's Toughest Kid", [[spoiler:tricking Brian by switching the direction of the zapper he was holding, so when Brian took it from him, he ended up shooting himself.]]
* BattleButler: Doudo
* BecauseDestinySaysSo: The Destiny Puzzle
* BerserkButton
** Never disturb Sam while she's playing video games.
** In [[spoiler:"The End of Everything (Part Two)"]], Danny gets angry [[spoiler:since Cathy is missing.]]
* BigEater
** Cathy, who has two stomachs
** Baby alien Tina.
** The Eater Aliens.
* BigFancyHouse: Mark's house.
* BigRedButton: In "The-Forget-Me-Stone", some of the MBC supercomputer buttons can lead to pitfalls.
* BiggerOnTheInside
* BizarreAlienBiology: Cathy, her Grandpa, and all other aliens.
* BizarreSexualDimorphism: Grampa Smith, in his true form, looks like a sort of blue-skinned fish-fly thing with four limbs. Cathy's true form, on the other hand, has six tentacle-like limbs, white skin with pink spots, three crests on her head, and a squirrel-like tail. This is assuming that Grandpa Smith and Cathy belong to the same species; Cathy may well be adopted, seeing that we never hear anything about her birth parents.
* BlatantLies
** King Petalia XIII claims that he's the former ruler of seventeen planets, and twenty four moons, give or take an asteroid.
** Glor Glenemore is a self-proclaimed thief in the galaxy, but he gets clumsy every time he's doing his mission.
* BlobMonster: Addison's real form -- [[spoiler:the Morphering Glob]].
* BlondGuysAreEvil: Mark
* BlondesAreEvil
** Wendy
** Jenny in human form.
* BodySnatcher: The Alcascythe to [[spoiler:Jeremy]] in "The Beast Within".
* BrainlessBeauty: Wendy
* BrainwashedAndCrazy
** Danny, Wendy and Ralph in "Battle of the Bands".
** The kids (except Danny, Chris and Cathy) in "Comic Book Heroes".
** Mark, Ralph, and Roy in "Stupid Human Tricks".
* BroughtDownToNormal: In "Sticky Situation", Cathy ended up losing her powers [[spoiler:but she gets them back later on thanks to her grandfather's antidote]].
* BubbleGun: The Electrobubble.
* BucketHelmet: Sam in "Mindreader" and Jeremy in "Forget-Me-Stone".
* BugWar: "The Bugaboos"
* ByThePowerOfGrayskull: "MBC! Po-o-o-o-wer up!"
* CatchPhrase
** Cathy: "Zeewa!", "Ginchy!", and other Rhapsodian slang that she only understands.
** MBC, especially Sam: "Let's bust them!"
* CardboardPrison: Wedge, the red Reptilian Morpher, and Agar do that.
* CelebrityStar: Brain Adamapple
* CheatersNeverProsper: Proskar. Danny reveals that Proskar [[spoiler:didn't follow one of the rules in Parchugal -- a game can be declared over if everyone has played]].
* ChekhovsSkill: In "The Trouble with Troublemaking", Danny's able to solve Cathy's Rhapsodian Puzzle Stick but it took him around two days. Later on, Danny uses the puzzle stick to knock out Gluten.
* ChristmasEpisode: "Secret Santa"
* CircleOfShame: Happens more than once in school.
* CityOfAdventure: Singletown
* ClassTrip: "Pipe Dreams". Who wants to go on a field trip in the city sewers?
* {{Cliffhanger}}: The last episode "Goodbye Earth" ends [[spoiler: with the MBC returning to Earth after the virus is eliminated]]. WordOfGod states that Cathy and Mr. Smith will continue to stay on Earth as along as there are evil aliens in town, while the MBC continues to hunt alien criminals.
* ClipShow
* CloserToEarth: Sam
* ClosetShuffle: The MBC does this in few episodes. They even use it to take a shortcut to the clubhouse once.
* {{Cloudcuckoolander}}: Cathy, big time.
* CollectorOfTheStrange
** Gilbert and other Packrats.
** Speedy's twin brother, Veedy kidnaps humans for his art gallery called "Galaxy's Strangest Creatures".
* ColonelBadass: The Galactic Commander.
* ColorCodedCharacters: The MBC suits are color-coded according to the member's V-coms. Cathy wears pink, Danny wears red, Sam wears yellow, Chris wears blue and Elton wears green. Does this remind you of [[PowerRangers Power Rangers]]?
* CoolCar: The MBV and Carpedo.
* CoolShades: The function of MBC's visors are similar to A-Scanner.
* CoolShip: The MBC Pods.
* CoolOldGuy: Mr. Smith
* CoolOldLady: Frieda, Mr. Smith's sister.
* CrazyPrepared: The MBC always has gadgets to use.
* CulturedBadass
** Cathy is shown to be knowledgeable in Rhapsodian culture as well as some customs in other planets.
** Sam, who enjoys painting and fine arts.
* CuteAndPsycho: Tina is like this when she eats Glusock crackers.
* {{Cyborg}}: Fibeloids, like Swampdweller each have a [[ArtificialLimbs metal left arm and an electronic right eye]].
* DarkSkinnedRedhead: John
* DeathTrap: Chris, Sam and Cathy in "Battle Of The Bands".
* DetectEvil: The A-Scanner.
* DistressedDude: Elton, in "Mindreader".
* DogsAreDumb: Matisse, Wendy's pet.
* DumbBlonde: Cathy
* EasyAmnesia: "The Forget-Me-Stone"
* EccentricMentor
* EmbarrassingFirstName: Mr. Smith's first name is Hugo.
-->'''Sam:''' She didn't seem so sensitive to me... Hugo.\\
(''Cathy chuckles'')
* EverybodyLaughsEnding
* EveryoneCallsHimBarkeep: The Galactic Commander. His name is actually Zubin.
* EverythingsBetterWithMonkeys: Moogie, Wedge's monkey assistant in "Disappearing Act".
* EverythingsBetterWithSpinning: In "Famous Four (Part One)", Danny spins his pod to impress his friends until [[spoiler: he accidentally goes to the MBC's time tube that leads him to the future (see: GoneToTheFuture)]].
* EyeCatch: A black background with the show's logo appearing on top.
* [[FeminineWomenCanCook Feminine Girls Can Cook]]: Cathy loves cooking.
* FictionalVideoGame
** ''Blastraton 3000'' in "Flower King".
** ''Tough City's 3 Racer Game'' in "Aliens on the Fast Track".
* FirstNameUltimatum
** In "The Whole Truth", Mr. Fusster calls Danny, "Daniel" twice.
** Happens to Sam (Samantha) in few episodes.
* FiveManBand
** TheHero / TheChick -- Cathy
** TheLancer -- Sam
** TheBigGuy -- Danny
** TheSmartGuy -- Chris
** TagalongKid -- John
** SixthRanger -- Elton
** MentorArchetype -- Mr. Smith
** TeamPet -- Casanova
* [[FiveBadBand Four Bad Band]]: The Monster Beaters. There were originally three, though John was tricked into joining them.
* FourTemperamentEnsemble: Cathy and Danny are both sanguine, Sam is choleric, and Chris is melancholic. As for the other members, John is melancholic while Elton is phlegmatic.
* FreeRangeChildren
* FreudianExcuse: Wedge wants to get revenge on his rival Stanley Caminski and his successful career. Stanley says to MBC that Wedge's clients usually [[spoiler:eat their audiences]] in the middle of the show.
* AFriendInNeed
* FrogsAndToads: Herptilius, as well as his talking Green Tree Frog assistants.
* FunnyAfro: Nova
* FunWithAcronyms: Cathy has a gadget G.P.U.D.F. or Great Powered Ultimate Direction Finder in "Camping Out".
* GadgetWatches: The MBC's V-Coms.
* GadgeteerGenius: Chris, John, and Jeremy.
* TheGameComeToLife: The MBC is forced to play Proskar's board game called "Parchugal". Parchugal is also a popular game in planet Gunyatto.
* GangOfHats: Pincherbots, Armor Stickies, and Clipperbots.
* GenkiGirl: Cathy
* GiantSpider: "Keep Your Eye on the Nebulak".
* GoneToTheFuture: In one of the episodes, Danny accidentally goes to the future and sees alien invaders destroying Singletown. Whats worse is that the MBC's secret is revealed through [[spoiler:Mark's website]]. Good thing that the MBC SetRightWhatOnceWentWrong by taking [[spoiler:Mark's video camera]].
* GossipyHens: Wendy and her friends.
* GrandTheftMe: In "Lizard's Tails", the Reptilian Morpher switches bodies with Danny [[spoiler:in order to steal the MBC's power supply -- the Mobato flower]].
* GratuitousDiscoSequence: Nova, in "Dancing in the Dark".
* GreatBigBookOfEverything: The MBC Alien Archives. They can be seen on MBC's supercomputer.
* GreenEyes: Danny and Wendy.
* GroupHug: In "The End of Everything (Part Two)", after [[spoiler:capturing Nossida]].
* GrumpyBear: Mr. Fusster, the Science teacher and Mr. Bitty, the store owner of "Happy Mart".
* HalloweenEpisode: "Trick or Treat... or Alien?"
* HatePlague: In "Outcraker's Badland Galaxy Tour", the MBC argued with each other because of Outcraker's schemes. They don't realize that their [[ThePowerOfFriendship teamwork]] is required in order to continue their authorization to the club.
* HeelRealization
** Speedy learns that stealing is illegal on Earth, unlike on his home planet where it is allowed.
** The MBC manage to solve Gilbert's problem by giving him a Vacuvator to keep his comic collections without any mess.
* [[HighlyVisibleNinja Highly Visible Monster Buster]]
* HistoryRepeats: "Statue of Limitations"
* HomemadeInventions: Some of the MBC gears were created by Chris or John.
* HollywoodToneDeaf: Moochie's terrible voice can cause damage to buildings.
* {{Hologram}}: The Hololizer.
* HorribleCampingTrip: In "Camping Out", Chris admits that he hates camping. Meanwhile, the rest of MBC members and Mr. Smith have trouble searching for a special flower and setting up camp.
* HumanAliens
* HumanoidAliens
* HumansAreCthulhu: Chris, in "It's Not Good to be King"
* HumongousMecha
** Gilbert's clown-like robot in "Comic Book Heroes".
** In "Beware of Frogs", Herptilius and his crew steal many electrical devices to built a giant robot.
** His robot also appeared in "The End of Everything (Part Two)", but there's no operator inside.
* IdiosyncraticEpisodeNaming: In the French dub, episodes are numbered "Rule" (not the actual MBC rule numbers that the main characters mentioned).
* IKnowKarate: Sam. Confirmed by the [[WordOfGod official website.]]
* ImprobableAge
* ImprovisedWeapon: Sam and Danny are the major offenders.
* InnocentAliens
* InsectoidAliens: General Louse and the Bugaboos.
* IntentionallyAwkwardTitle: In DisneyXD, one of the show's episodes is called "Stupid Human Tricks" instead of "Silly Human Tricks".
* InternationalCoproduction: Co-produced between Jetix Europe and YTV.
* InvisibilityCloak: Agar and Morag.
* IronLady: Principal Rollins, unless Mr. Smith is around.
* JerkJock / JerkWithAHeartOfGold: Danny
* JuniorHigh
* {{Kid Hero}}es
* KissingCousins: [[spoiler:Cathy's big secret is that she kissed her cousin Elton on a dare.]]
* LastNameBasis: Kids in Singletown addresses the adults (except their parents) by their last names.
* LegacyCharacter: The Monster Buster Club.
* {{Leitmotif}}
* LetsSplitUpGang: The MBC are looking for clues, obviously.
* LicensedGame: There's one for the [[http://www.youtube.com/watch?v=oUI7JDWEcrY Nintendo DSi]]. However, you have to download that game via DSIWare.
* LikeFatherLikeSon: Nosidda. His name [[SdrawkcabName spelled backwards]] is "Addison". [[spoiler:He follows his father's dream -- turn Singletown into a place for aliens.]]
* LimitedWardrobe
* LoveMakesYouCrazy: Danny has a crush on Wendy, while Jeremy falls in love with Cathy. However, Wendy has no interest in Danny while Cathy thinks Jeremy as her friend only.
* MadnessMantra: "We are not lollygagging! We are not lollygagging!"
* MagicDance: Cathy and Mr. Smith do this to activate their powers.
* TheMasquerade: Both aliens and MBC members keep their true identities secret.
* MayDecemberRomance: Mr. Smith is a thousand years older than Principal Rollins. [[spoiler:Principal Rollins has had secret feelings for Mr. Smith ever since she found out that he's worked in the military before. (He has, just not the one she's thinking of.)]]
* MeaningfulName: Mr. Smith's first name "Hugo" means "intelligent" in Spanish.
* TheMenInBlack : The MBC, in practice
* MessyPig: The Dunderthunker [[spoiler:eats the town's electrical devices.]]
* MilesGloriosus: [[spoiler:The Galactic Commander. In "Famous Four (Part Two)", he reveals that he can't fight without his backup.]]
* MindControlDevice: Gilbert's Hypno-Orthodontics.
* MindOverMatter: Cathy has displayed this power at times. She calls it an "old Rhapsodian energy trick".
* MonsterOfTheWeek
* NeatFreak: Mr. Bigshnel
* {{Nerd}}
** Jeremy
** Elton and Gilbert in their human form.
* NamedAfterSomebodyFamous: Matisse is named after Henri Matisse, a French painter in 20th century.
* NewPowersAsThePlotDemands: What ''can't'' Cathy do!? WordOfGod says that she's capable of learning all kinds of extraordinary abilities.
* NonActionGuy: Elton and Jeremy.
* NonindicativeName: ''Monster Buster Club'' is about four kids hunting and busting alien enemies. However, aliens are not considered as monsters.
* NoodleIncident
** Cathy mentioned that the MBC was created centuries ago. She didn't explained about the history of the club, though. Unfortunately, WordOfGod says that he doesn't know the details about the origin of MBC. All he knows is that Addison Single is the founder of Singletown and he wanted to create a place where aliens and human will live peacefully together.
** Not to mention Cathy and her wacky experiences back in Rhapsodia.
* NoodlePeople: Human beings, excluding fat people.
* NoSocialSkills: Cathy is clueless about Earth and its inhabitants.
* OdangoHair: Sam
* ObfuscatingStupidity: Frieda
* ObviouslyEvil: In "The Trouble with Troublemaking", Gluten is supposed to be disguised as the detention monitor, but does nothing but look psychotic and shout things like "No talking!" [[BrokenRecord repeatedly]]. After he drops the act and starts acting like his normal alien self he acts perfectly normal. He explains that he was under the impression that's how detention monitors normally act.
* OneWingedAngel: Nosidda can [[spoiler: turn into a giant.]]
* OpeningNarration: "Hi! My name is Cathy..."
* OurFounder: Addison Single, with a side order of [[ThatsNoMoon That's No Statue.]]
* PaletteSwap: Alien villains from "The End of Everything".
* ParentalAbandonment: The parents of MBC members are never revealed but they are mentioned in the show. So does other kids (except Ralph whose father appears in two episodes) in Singletown. WordOfGod says that the kids' parents [[WhatCouldHaveBeen might be featured in the third season]], if it ever happens.
* PardonMyKlingon: Cathy, in spades, but not swearing so much as speaking in Gratuitous Rhapsodian.
* PeopleZoo: Gluten wants that.
* PlantAliens: Mr. Smith's exotic plants. King Petalia XIII and other plants from his home planet are also included in this trope.
* PortalNetwork: In "Clean Sweep", there's a hidden portal that leads to the garbage planet.
* ThePowerOfFriendship
* PowersAsPrograms: In "Sticky Situation", Cathy's powers are transferred to Wendy.
* ThePrankster: Danny, Ralph and Roy.
* PrimalFear: Sam is afraid of spiders.
* [[RaisedByGrandparents Raised by Grandfather]]: Cathy
* ReallySevenHundredYearsOld: Cathy, Mr. Smith and other Rhapsodians.
* RealNameAsAnAlias: Is Cathy's name her [[OnlyKnownByTheirNickname nickname]] or her real name? Or is her [[OverlyLongName full name is too long]]? Or maybe it would just sound like gibberish to us. Many fans, especially in fanfiction, prefer to call her "Catherine".
* [[RecruitTeenagersWithAttitude Recruit Kids with Attitude]]
* {{Revenge}}: One of the common reasons against the MBC. The following aliens are notable to this trope:
** Gluten
** Grandmother Octovore, plus her husband.
** Herptilius
** Addison Single
** Road Worker Morpher
** Swampdweller
** Wedge
* RetiredBadass: Mr. Smith
* ReusedCharacterDesign: Character designs are recycled a lot. Disguised aliens that the MBC uncovered and caught sometimes reappear as normal human background characters.
* RevengeBeforeReason: Crunger and other Zugrabians.
* TheRival
** Mark to Danny.
** Wedge to Stanley Caminski.
* RhymesOnADime: Dingle
* RPGEpisode: "Sore Winner"
* RobotDog: Matisse's clones in "Dog Daze".
* RubberMan: Cathy
* RuleNumberOne: "MBC Rule number one -- the Monster Buster Club must be kept secret." Breaking this rule will cause the MBC to disband and members will no longer access its technology.
* ScarsAreForever: Danny has a little scar on his left eyebrow. It's not explained how he got it, though.
* SchoolPlay: "Acting Out"
* ScienceFiction
* ScrewTheRulesIHaveMoney: Mark
* SecretKeeper: John
* SecretTestOfCharacter: The MBC qualifies this. According to the WordOfGod, the process in joining the club is very secret and the members will only ask you if you want to join once.
* SecretWeapon: [[spoiler:Frieda Smith]], in "The Destiny Puzzle".
* SensitiveGuyAndManlyMan: Nerdy Chris and brash jock Danny.
* SensualSpandex: They even glow in the dark, too.
* ShoutOut
** In the episode "The Trouble with Troublemaking", Cathy is sent to {{Room 101}} for her detention.
** In "Princess Sam", Danny mentions [[Film/ETTheExtraTerrestrial "E.T. phone home!"]]
** There is a certain episode where Cathy says [[Franchise/ScoobyDoo "Jinkies!"]]
** In "Galaxy's Strangest Creatures", there's a ''[[Film/TheMatrix Matrix]]'' reference inside the school and warehouse.
** There's another one in "New Recruits", where an alien enemy does the BulletTime thing.
** In "The Battle of the Bands", at the gym you'll find a poster at the left which resembles the head of the three main characters from ''WesternAnimation/TotallySpies''
* SickEpisode: Cathy comes down with a bad case of allergy in "Dog Daze" and [[WorkingThroughTheCold cold in "It's Not Good to Be King"]]. Not only she's sick, but those illnesses affect her powers as well.
* SleepCute: Danny and Cathy, in "The-Forget-Me-Stone".
* {{The Smart Guy}}s: Chris; Jeremy
* SpeechImpediment: Gilbert, but he speaks clearly in "Laugh Attack".
* SpeedStripes
* SpellMyNameWithAThe: Danny's own nickname, "The Danny".
* SpiderSense: Cathy, in "The-Forget-Me-Stone".
* SplitScreenReaction: No episode go without at least one.
* SpoiledBrat: Mark
* StarfishAliens
* StatusQuoIsGod
* StickySituation: When Gluten appears, he traps the MBC and other victims by throwing his blue ooze at them. Also the title of the episode.
* StockYuck.{{Anchovies}}: In "Frogs in Space", the MBC hates anchovy-flavored pizza but Cathy eats it. [[spoiler:She finds out from her grandfather that she's allergic to anchovies.]]
* StuffBlowingUp: "Mindreader" and "Comic Book Heroes".
* SuperheroEpisode: "Comic Book Heroes" featuring Cathy Lass.
* SuperSpeed: Speedy and his evil twin brother Veedy.
* SwallowedWhole: Chris in "World's Toughest Kid" and "Cloudy with a Chance of Jellynerps"
* SwissArmyWeapon: Each MBC Blaster can change into a [[WeaponsThatSuck Vacuvator]], [[FrickinLaserBeams Double X]], [[FrickinLaserBeams Alien Flasher]], [[SonicStunner Sonar Blaster]], or [[BubbleGun Electrobubble]].
* TabletopGames
** In the episode "Sore Winner", Danny is forced to play a game called ''Demons & Daggers'', a parody of ''TabletopGame/DungeonsAndDragons''.
** In "Mindreader" and "Laugh Attack", Mark challenges his classmate to play a game called "Fishy Fish", a board game loosely based on ''Battleships''.
* TakeThatKiss
** Cathy gives Jeremy a kiss on the cheek as a promise after saving her friends from Herptilius.
** There's another episode where Wendy kisses Danny on his cheek.
* TalkingToPlants: Mr. Smith does this sometimes.
* TelepathicSpacemen: Elton, Cathy's cousin. He's considered as an annoying person to the MBC [[spoiler:until they realize his ability can be useful in reading the enemy's next move.]]
* TerribleTrio: Mark, Ralph and Roy.
* TheyFightCrime
* TheyWalkAmongUs
* ThoseTwoGuys: Ralph and Roy.
* TinyGuyHugeGirl
** Moochie is shorter than his wife Frieda.
** Mr. Fusster and Mimi.
* TitleDrop: The title of the show.
** "World's Toughest Kid"
** "Battle of the Bands"
** "The End of Everything (Part Two)"
--->'''Cathy:''' Grandpa!\\
'''Sam:''' The flower!\\
'''Danny:''' The rocket!\\
'''Chris:''' The end of everything!
** "Galaxy's Strangest Creatures"
* ToiletHumour: In "Wrong Number", the Galactic Commander says "poopcorn" instead of popcorn.
* TomboyishName: Sam
* TradeSnark: Herptilius' Amphimabot. Intergalactic patent pending.
* TransformationSequence: Changing from regular clothes to MBC suits.
* TronLines: The kids' fluorescent costumes give off this effect in the dark.
* TrustMeImAnX: In "It's Not Good to Be King", Principal Rollins attempts to cure Cathy's cold. What's worse is that the school doesn't have at least one nurse (Principal Rollins fired her for being "too soft").
* TwoGirlsToATeam: Cathy and Sam. Then again, there are only four members of the team, so that's technically half.
* TwoTeacherSchool: Principal Rollins and Mr. Fusster
* UncannyFamilyResemblance: Cathy, Elton, and [[spoiler:young]] Frieda's hair styles look similar.
* UniversalDriversLicense: Whether the MBC rides on their own pods, MBV, or a space ship, it's quite a surprise they get used to them.
* VillainousBreakdown: Nossida and Rocky Mountain.
* TheVirus: [[spoiler:The alien virus in "Goodbye Earth"]]. The episode [[spoiler:doesn't tell us what kind of effects it has, aside from being contagious to humans]].
* WakeUpGoToSchoolSaveTheWorld
* WeaksauceWeakness
** General Louse is afraid of bug sprays and swatters.
** Addison has hated pigeon poop ever since he became a statue.
** The Alcascythes are weak against flowers.
** The Reptilian Morpher (from "Lizard Tails") and the Gumblian's main weakness is cold temperature.
* WeaponsThatSuck: The kids trap aliens with [[FrickinLaserBeams Vacuvators]].
* WellIntentionedExtremist: Addison wants to create a place where humans and aliens will live peacefully together, but he uses his real form to scare humans and destroy the MBC.
* WhatHappenedToTheMouse: Elton is never seen after his second appearance in first season, but he was mentioned by Cathy in "Famous Four (Part Two)".
* [[WhereTheHellIsSpringField Where the Heck Is Singletown?]]: Many fans notice that the location of Singletown is based somewhere on France or North America, but WordOfGod says Singletown is a setting where it can be anywhere.
* WholeEpisodeFlashback: "The End of Everything" and "Famous Four".
* WhoYouGonnaCall: See the picture above.
* [[WhyDidItHaveToBeSnakes Why Did It Have to Be Spiders?]]: Sam
* WiseBeyondTheirYears: The MBC members are twelve years old. Cathy's a lot older, but still physically (and mentally) a kid.
* YouGottaHaveBlueHair: Chris (but it may be intended as black)
* YourCostumeNeedsWork: Chris, in "Trick or Treat... or Alien?"

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