Movies Like Step Siblings Caught 18

If you liked Step Siblings Caught 18 (2020), 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
Female Trouble (1976)
★ 6.9/10
Teenage delinquent Dawn Davenport, incensed after her parents do not give her the cha-cha heels she wanted for Christmas, runs away from home. After an illegitimate child and hairstylist husband bring her more misery…
2
Heavy Metal (1981)
★ 6.5/10
The embodiment of ultimate evil, a glowing orb terrorizes a young girl with bizarre stories of dark fantasy, eroticism and horror.
3
The Cement Garden (1993)
★ 6.8/10
After the death of her husband, the mother of Julie, Jack, Sue and Tom begins to suffer from a mysterious illness. Aware that she is going to have to go into hospital she opens a bank account for the children, so that…
4
Bring Her Back (2025)
★ 7.3/10
Following the death of their father, a brother and sister are sent to live with a foster mother, only to learn that she is hiding a terrifying secret.
5
Porno (2019)
★ 6/10
When a group of naive teens working at a movie theater in a small Christian town discover a mysterious film hidden in its basement, they unleash an alluring succubus who gives them a sex education…written in blood.
6
The Little Death (2014)
★ 6.7/10
A comedy film that looks into the loosely connected lives of people with strange sexual fantasies.
7
Happiness (1998)
★ 7.4/10
The lives of several individuals intertwine as they go about their lives in their own unique ways, engaging in acts which society as a whole might find disturbing in a desperate search for human connection.
8
Citizen Toxie: The Toxic Avenger IV (2001)
★ 6/10
A horrific explosion creates a dimensional portal between Tromaville and its dimensional mirror image, Amortville. While the Toxie is trapped in the mirror dimension, Tromaville comes under the control of his evil…
9
Family Weekend (2013)
★ 6.3/10
A 16-year-old girl takes her parents hostage after they miss her big jump-roping competition.
10
Fifty Shades Freed (2018)
★ 6.7/10
Believing they have left behind shadowy figures from their past, newlyweds Christian and Ana fully embrace an inextricable connection and shared life of luxury. But just as she steps into her role as Mrs. Grey and he…
11
Nymphomaniac: Vol. II (2013)
★ 6.7/10
The continuation of Joe's sexually dictated life delves into the darker aspects of her adult life and what led to her being in Seligman's care.
12
From Dusk Till Dawn (1996)
★ 7.1/10
After kidnapping a father and his two kids, the Gecko brothers head south to a seedy Mexican bar to hide out in safety, unaware of its notorious clientele.
13
The Clique (2008)
★ 5.9/10
A young girl tries to fit in with a clique of popular middle school girls after moving into the guest house of one of their homes.
14
Deathgasm (2015)
★ 6.2/10
Two teenage boys unwittingly summon an ancient evil entity known as The Blind One by delving into black magic while trying to escape their mundane lives.
15
Martha Marcy May Marlene (2011)
★ 6.6/10
After several years of living with a cult, Martha finally escapes and calls her estranged sister, Lucy, for help. Martha finds herself at the quiet Connecticut home Lucy shares with her new husband, Ted, but the…
16
The Overnight (2015)
★ 5.9/10
Alex, Emily, and their son, RJ, are new to Los Angeles. A chance meeting at the park introduces them to the mysterious Kurt, Charlotte, and Max. A family “playdate” becomes increasingly interesting as the night goes on.
17
Bob & Carol & Ted & Alice (1969)
★ 6.3/10
After returning to Los Angeles from a group therapy session, documentary filmmaker Bob Sanders and his wife, Carol, find themselves becoming vigilante couples counselors, offering unsolicited advice to their best…
18
The Last House on the Left (2009)
★ 6.5/10
When athletic teen Mari Collingwood opts to hang out with her friend Paige in town rather than spend an evening in with her parents vacationing at the family's remote lake house, it marks the beginning of a night no…
19
Pink Flamingos (1972)
★ 6.1/10
Notorious Baltimore criminal and underground figure Divine goes up against Connie & Raymond Marble, a sleazy married couple who make a passionate attempt to humiliate her and seize her tabloid-given title as "The…
20
Funny Games (2008)
★ 6.5/10
When Ann, husband George, and son Georgie arrive at their holiday home they are visited by a pair of polite and seemingly pleasant young men. Armed with deceptively sweet smiles and some golf clubs, they proceed to…