Movies Like I Came Inside My Stepsister

If you liked I Came Inside My Stepsister (2017), a movie, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
You Again (2010)
★ 6.3/10
History -- make that high school -- may repeat itself when Marni learns that Joanna, the mean girl from her past, is set to be her sister-in-law. Before the wedding bells toll, Marni must show her brother that a tiger…
2
What Ever Happened to Baby Jane? (1962)
★ 7.9/10
A former vaudeville child star viciously torments her paraplegic sister in their decaying Hollywood mansion.
3
Ramona and Beezus (2010)
★ 6.6/10
Ramona is a little girl with a very big imagination and a nose for mischief. Her playful antics keep everyone in her loving family on their toes, including her older sister Beezus, who's just trying to survive her…
4
Pleasantville (1998)
★ 7.3/10
Geeky teenager David and his popular twin sister, Jennifer, get sucked into the black-and-white world of a 1950s TV sitcom called "Pleasantville," and find a world where everything is peachy keen all the time. But when…
5
Three Violent People (1956)
★ 6/10
A rancher, his shady bride and his one-armed brother fight amid carpetbaggers in Texas.
6
War of the Buttons (1994)
★ 7/10
War between two Irish youth gangs consists of removing and retrieving buttons from each other's clothing.
7
The Hunchback of Notre Dame (1939)
★ 7.3/10
Paris, France, 1482. Frollo, Chief Justice of benevolent King Louis XI, gets infatuated by the beauty of Esmeralda, a young Romani girl. The hunchback Quasimodo, Frollo's protege and bell-ringer of Notre Dame, lives in…
8
Palm Swings (2017)
★ 5.9/10
After moving to Palm Springs, a young married couple puts their love to the test when they discover that their neighbors are swingers.
9
The SpongeBob Movie: Sponge on the Run (2020)
★ 7.4/10
When his best friend Gary is suddenly snatched away, SpongeBob takes Patrick on a madcap mission far beyond Bikini Bottom to save their pink-shelled pal.
10
Bridge to Terabithia (2007)
★ 7.4/10
Jesse Aarons trained all summer to become the fastest runner in school. So he's very upset when newcomer Leslie Burke outruns him and everyone else. Despite this and other differences including that she's rich, he's…
11
The Addams Family 2 (2021)
★ 6.9/10
The Addams get tangled up in more wacky adventures and find themselves involved in hilarious run-ins with all sorts of unsuspecting characters.
12
Mermaids (1990)
★ 6.7/10
Fifteen-year-old Charlotte Flax is tired of her wacky mom moving their family to a different town any time she feels it is necessary. When they move to a small Massachusetts town and Mrs. Flax begins dating a…
13
Barbie: Spy Squad (2016)
★ 7/10
Barbie and her best friends Teresa and Renee transform from hard-working gymnasts to undercover secret agents. When their amazing gymnastics skills catch the eye of a top-secret spy agency, the girls are soon following…
14
Fun with Dick and Jane (1977)
★ 6.6/10
When an upwardly mobile couple find themselves unemployed and in debt, they turn to armed robbery in desperation.
15
The War with Grandpa (2020)
★ 6.4/10
Peter is thrilled that his Grandpa is coming to live with his family. That is, until Grandpa moves into Peter's room, forcing him upstairs into the creepy attic. And though he loves his Grandpa, he wants his room back…
16
YES DAY (2021)
★ 6.7/10
A mom and dad who usually say no decide to say yes to their kids' wildest requests — with a few ground rules — on a whirlwind day of fun and adventure.
17
Phineas and Ferb the Movie: Across the 2nd Dimension (2011)
★ 7.1/10
Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the tri-state area. They must find a way back home with the help of their pet platypus named Perry, who they discover is a…
18
Zapped (2014)
★ 6.1/10
Zoey is a talented dancer whose organized life is rudely disrupted when she moves in with her new step-dad and three step-brothers, until she discovers a dog-training app that can get boys to obey her every command…
19
In This Our Life (1942)
★ 6.9/10
An unhappy, self-centered woman runs off with her sister's husband, wreaking havoc and ruining the lives of those around her.
20
Stuart Little (1999)
★ 6.1/10
When the Littles adopt Stuart, the mouse, George is initially unwelcoming to his new brother, and the family cat, Snowbell, is even less enthusiastic. Stuart resolves to face these difficulties with as much pluck and…