A fairly standard DomCom series, starring [[TheDanza Mary-Kate & Ashley Olsen as Mary-Kate & Ashley Burke]], who live their ordinary pre-teen life -- except for the fact that their widowed working father, Kevin, can't be at home all the time and therefore needs a sitter to be with them... and he's (at first) not impressed with Carrie, a student in his class whom his daughters picked as their nanny.

This show has parallels with ''FullHouse'', the most obvious examples being both the prominent roles the Olsen twins take up and Miller-Boyette as production company. It ran for one season only and was the last sitcom produced by Miller-Boyette.
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!!This show provides examples of:
* ActorAllusion: During the pilot Mary-Kate says of poker "I thought a FullHouse beat everything".
* AlphaBitch: Jennifer in her first episode. This gets dropped pretty soon and she is shown hanging around with Ashley all the time.
* AttractiveBentGender: This happens to Brian during the HalloweenEpisode after some costume swapping, something of which he is not fond.
-->'''Brian:''' This is the worst day of my life! Two guys called me a hottie, and I got asked out by a boy named Carl.
-->'''Max:''' You didn't have to say yes.
* BackToSchool: When Kevin & Carrie first meet in one of his classes, he notes that she's older than the average college student, and she notes that she's decided to return to school.
* BigEater: Carrie actually.
* BookDumb: Mary Kate.
* BrickJoke: The twins discuss Carrie having a tattoo that says "Jean Luc" in the pilot. In a later episode after Kevin walks in on Carrie in the shower, he asks who Jean Luc is.
* CantGetAwayWithNuthin: Played with in when the twins sneak over to Carrie's college party without Kevin's permission. They get caught but the end of the episode has them realising they can still make a good story out of this.
---> '''Mary Kate:''' Well I guess Jennifer Dilber wins again.
---> '''Ashley:''' At least we can say we were at a college party.
---> '''Mary Kate:''' And that a cop showed up, and we nearly got arrested.
---> '''Ashley:''' I think we can make this work.
** This also occurs in an episode where Carrie convinces [[StraightMan Kevin]] to call in sick at work and go to a ballgame instead, which is the first time he's ever played hookey. He wins a car because of this- and ends up on the big screen and the evening news. When his boss calls, [[spoiler: the trope is revealed to be {{subverted}}; he was just asking to test drive the car]].
** And then subverted when the girls throw a party at the house while Kevin is away. See SarcasticConfession below.
* CoolAndUnusualPunishment: The twins sneaked their way around to a college party without Kevin's approval, so Carrie decided to have them stay... as clean-up crew.
* CosmeticCatastrophe: Ashley gets an ink stain on her face and Carrie tries to cover it up with a '''lot''' of makeup.
---> '''Ashley:''' "Oh my God, I look like Grandma"
* TheDanza
* DeadpanSnarker: Mary Kate, Kevin and Carrie.
* EvenNerdsHaveStandards
* TheFashionista: Ashley.
* FieryRedhead: Carrie. An ex boyfriend of hers reveals she used to be '''worse'''.
* GeekPhysiques: Paul.
* GettingCrapPastTheRadar: A female next-door neighbor tells Carrie of a female relative of her love interest. She isn't fond of said relative and lets Carrie know it, and then this takes place:
-->'''Carrie''': What is she, some kind of witch?
-->'''Neighbor''': You're just one letter off.
** A not-so subtle example in another episode where the twins lie to their father's date that Carrie is another one of his girlfriends:
--> '''Marcy:''' You never mentioned her.
--> '''Kevin:''' There's not much to tell. I needed someone, I took out an ad and Carrie showed up. It's just a coincidence that she happened to be a student of mine. And whenever she's too busy with her studies I just call Mrs Baker. She's my neighbour. Of course she's 72 so she's not as much fun as Carrie but she still gets the job done".
** "Peeping Twins" literally implies that Mrs Baker and Mr Filmore are going to have sex.
* HalloweenEpisode
* HairFlip: According to Ashley, if a guy nods in greeting you should respond with one of these.
* HardDrinkingPartyGirl: Carrie is a fairly mild example.
* HollywoodToneDeaf: A date Matt set up for Kevin.
* HormoneAddledTeenager: Ashley.
* HypocriticalHeartwarming: In-universe example where the twins lie to their father's date as they're afraid of losing Carrie. She finds this sweet but immediately tells them off after a cough from Kevin.him to dance with her (after learning how to swing-dance) he rebuffs her before confessing he can't dance at all and just made it up as an excuse.
* InformedAbility: A plot point in one episode where a guy Mary Kate likes says he only swing dances and when she keeps asking him to dance with her (after learning how to swing-dance) he rebuffs her before confessing he can't dance at all and just made it up as an excuse.
* IronicInversion: Ashley auditions for a modelling agency but doesn't get it despite having prepared for weeks. Mary Kate has no interest in it and ends up getting it with a sarcastic tryout.
* KarmaHoudini: Carrie gets this a couple of times. She nags Kevin into asking out a waitress, convinced that they'll hit it off. Instead the waitress flips out because she hates being hit on at work, and Kevin has to find a new place to get coffee. Another episode had her rant to him about a model asking him out, suggesting she only did it to make herself seem smart. This ends up making Kevin paranoid and ruining his date. Carrie is never called out on this.
** Another episode has Kevin planning to break up with Nancy but Carrie tells her by accident, making Nancy even angrier that she knew in advance as well. The episode ends with Kevin finding one of his car mirrors smashed and Carrie gets away scott-free ''again''.
* LovableAlphaBitch: Jennifer Dilber.
* LovableJock: Mary Kate herself.
* ManicPixieDreamGirl: Carrie is part this, part MagicalNanny.
* MissingMom: Kevin is widowed. How this came to be is never revealed.
* NoodleIncident: The twins make one up to scare their father's date. For some reason Ashley has so many germs they can't keep cats anymore.
* NotWhatItLooksLike: When Paul (Another of Kevin's students) turned up at the house delivering a pizza for the girls' slumber party, only to see Carrie lounging around their professor's house & painting her nails whilst he paid for a pizza, he came to the ([[ShipTease not unreasonable]]) conclusion that they were having an affair & told their class about it.
* PolarOppositeTwins
* SarcasticConfession: The twins hold a party that escalates out of control later before Paul manages to make the guests leave, and together they tidy up before Kevin gets home. Then this occurs:
-->'''Kevin''': How was the party?
-->'''One of the twins''': It got very quiet after the band left.
-->'''Kevin''': Very funny.
* SensitiveGuyAndManlyMan: Kevin and his brother, Matt.
* ShipTease: Carrie and Kevin a few times.
* StabTheSalad: The plot of the episode "Peeping Twins" though the audience knows from the start.
* ThoseTwoGuys: Max and Brian.
* TokenMinority: Max.
* TomboyAndGirlyGirl: Between Mary-Kate and Ashley.
* TwinSwitch: So very often, to the point of not only fooling the father but getting a tutor suspicious when the girl he tutors shows drastic academic improvement. Carrie is able to tell the difference immediately however.
* WildTeenParty: All right, so the twins aren't teen yet, but the party they hold still turn into this. They aren't punished for it, however, because they clean up well after it before Kevin returns and [[SarcasticConfession the truth Kevin gets about it is not quite full-fledged]].
* WillTheyOrWontThey: Between Kevin and Carrie. [[spoiler:Nope, but only because the show was CutShort - the Season Finale ended with the two of them admitting their feelings as Carrie left for the summer.]]
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