Shared Family Quirks in Live-Action TV series.
- The Addams Family:
- Fester and Puglsey both like to do crazy experiments.
- Wednesday and Morticia are both solemn.
- Gomez and Fester are both energetic.
- Friends:
- As Ross and Monica were siblings, they were revealed to have some weird shared obsessions from their childhood, including quiz shows, the Osmonds, a dance routine that they won a school talent show by performing, and the "Gellar Family Cup" awarded after family sports matches.
- When Phoebe meets her long-lost biological mother, she discovers that they both use the made-up word "floopy".
- Phoebe and the mother later connect on the grounds that they both like Pizza, The Beatles and puppies. Because seriously, how often do two people have those interests in common?
- On Gilmore Girls, after witnessing Lorelai and Emily applying moisturizer in the exact same fashion while in adjoining rooms, Rory lampshades this trope by quipping "Behold my future." Once she realizes what Rory is talking about, Lorelai is immediately horrified.
- Happy Days:
- Marion Cunningham and her daughter Joanie both have smart mouths.
- Marion's son, Richie, also shares a trait with her: they're both sensible.
- Richie and Joanie are both hopeless romantics.
- Joanie and her other brother Chuck, according to Marion, both suck their thumbs when they're in a bad mood.
- Fonzie and his cousins Chachi and Spike are all greasers.
- The Friends spinoff Joey had his nephew Michael meeting an old friend of Joey's. They share so many mannerisms and personality quirks that Joey Tribianni figures out in minutes he's Michael's father.
- The L Word: Shane's dad it turns out is promiscuous like her and easily picks up women.
- Manifest: Both Ben Stone and his daughter Olive are passionate when it comes to research, the former with mathematics and the latter with history and mythology. It's later revealed that Ben's late mother Karen shared the same passion regards to birdwatching.
- In the TV series Men in Trees an older man and a younger man who are friends realize that they are father-and-son when the younger one sneezes; they both sneeze in sevens.
- One Midsomer Murders episode has Barnaby figure out two women are related when both use the same bizarre expression despite not living near each other, just in time to save the Asshole Victim.
- On Monk, all of Kevin Dorfman's relatives are big talkers.
- Murdoch Mysteries: A visiting Mountie, Sergeant Jasper Linney, starts upstaging Detective Murdoch in the areas where he usually excels. They share ideas on how to investigate the case and at one point, they are seen walking side by side, with their hands joined behind their back and deep in thought. It turns out that Murdoch and Linney are half-brothers.
- Never Have I Ever: Devi clearly inherited her mother's caustic and outspoken personality (they are also both attracted to chill guys close with their family).
- Once Upon a Time:
- Mary Margaret (Snow White), her daughter Emma, and Emma's son Henry all share a taste for cinnamon sprinkled on top of their hot chocolate. This helps to "prove" that they're all related even though Mary Margaret has no memory of it and Emma doesn't believe it.
- In Season 6, it turns out that Rumplestiltskin's mother, The Black Fairy, also calls people "dearie" in exactly the same way.
- Our Miss Brooks:
- Brothers Stretch Snodgrass and Bones Snodgrass are only known by their nicknames (their real names are Fabian and Winston respectively). dumb but friendly high school athletes. They speak with an eccentric grammar (or lack therof). They are also extremely Literal-Minded.
- Osgood, Martha and Harriet Conklins are all snoops and eavesdroppers ("Mr. Boynton's Parents", "The Wrong Mrs. Boynton")
- Psych: In "Shawn Takes a Shot In The Dark" Lassie works with Shawn's father to find Shawn — and is frustrated to discover Henry and Shawn share the trait of completely ignoring all his instructions and recklessly doing as they please.Lassie: SPENCER!!Shawn: Which Spencer are you talking to?Lassie: It doesn't matter, you're the same person!
- Schitt's Creek often has the Roses displaying similar traits.
- Moira and David both almost exclusively wear black and white clothing.
- Alexis and David share similar hand gestures.
- Moira, David, and Alexis often say "Eww."
- Johnny, Moira, David, and Alexis all have a tendency to exclaim "Oh my God!"
- Sesame Street:
- Natasha and her dad Humphrey both say, "Yelp!" and cover their heads when they're afraid.
- Ernie and his niece Ernestine share the same laugh.
- Cookie Monster's mother is as dramatic as he is. His cousin also eats non-food items the same as him.
- Chip and Dip, who were revealed to be brothers in their song, both like to play pranks on Oscar.
- One animated skit features a girl named Lucretia, who can dribble five balls at once, and so can her mother.
- Julia likes to paint like her mother Elena, and she laughs a lot like her brother Samuel.
- Meta-example in Stargate Atlantis: When Martin Gero (one of the writer/producers) saw David Hewlett's sister Kate in a play, he liked her acting so much that he wanted to put her in the show. However, he notes in the commentary for her first episode that she has "Hewlett-isms" so she could only play a relative of McKay. In their episodes together, the siblings' shared traits are quite apparent as well.
- Star Trek:
- Star Trek: Deep Space Nine:
- The Siskos are all good cooks and all a bit jokey.
- Rom is not very good at making money and apparently, neither was his father. In addition, he, his son Nog, and his mother are all progressive in some way — his mother is a feminist, Rom himself is more tolerant of other species' beliefs than the rest of his kind (even going so far as to marry a Bajoran), and Nog becomes the first of his species (Ferengi) to join Starfleet. Another quirk of Rom's family is that when he and his brother Quark beg, they both kneel down with their wrists together but hands apart.
- Star Trek: The Next Generation:
- Both the Crushers have an interest in the sciences. Beverly's mother was also interested in natural remedies, while Beverly herself is a doctor.
- Worf and his son Alexander are both stubborn and a bit grumpy. Alexander's mother was grumpy too.
- Star Trek: Picard: The way Soji tilts her head is what clues Riker in that she's Data's daughter.
- In Star Trek: Voyager:
- B'Elanna apparently inherited her fiery personality from her mother.
- Icheb is said to have inherited his interest in astronomy from his father.
- Star Trek: Deep Space Nine:
- In one episode of Ugly Betty, Amanda is searching for her father and Marc notices she and Bradford both have similar mannerisms. Subverted when a DNA test proves he's not her father, and none of the mannerisms are ever shown again from either of them.
- Willow: Each of Madmartigan's children inherited traits of his: Kit is a gifted swordswoman (who's attracted to a red-haired swordswoman like he was) and has some issues truly caring about things greater than herself, while Airk is a charismatic womanizer (who falls for a woman whose natural hair color is shown as red too).
- Zero (2021): Omar and his sister Awa, whose family is from Senegal, both have relationships with white Italians.
