Movies like Step Siblings Caught 21 (2021)
The best movies like Step Siblings Caught 21 (2021) are The Cement Garden (1993), Neds (2010) and Happiness (1998). If Step Siblings Caught 21 hooked you, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedAmerican History X (1998)8.3/10 from 13,129 votes
- NewestNowhere to Lay My Eyes (2026)Released 2026
The Cement Garden (1993)
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 they can be financially self-sufficient and will be able to avoid being taken into care by the authorities. Unfortunately she also dies and Julie and Jack (the older, teenage children) decide to hide her body in the basement so that they can have free reign of their household. Soon Tom has taken to dressing as a girl whilst Sue has become increasingly reticent, confiding only to her diary, meanwhile Jack and Julie sense an attraction developing for each other. However Julie's new beau, Derek, threatens to unearth the many dark secrets within this family as he becomes increasingly suspicious of Jack.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisNeds (2010)
NEDs (Non Educated Delinquents) is the story of a young man’s journey from prize-winning schoolboy to knife-carrying teenager. Struggling against the low expectations of those around him, John McGill changes from victim to avenger, scholar to NED, altar boy to glue sniffer. When he attempts to change back again, his new reality and recent past make conformity near impossible and violent self determination near inevitable.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisHappiness (1998)
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.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisMoney Train (1995)
When a vengeful New York transit cop decides to steal a trainload of subway fares, his foster brother—a fellow cop—tries to protect him.
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like thisBring Her Back (2025)
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.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisNymphomaniac: Vol. II (2013)
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.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisFrom Dusk Till Dawn (1996)
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.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisCitizen Toxie: The Toxic Avenger IV (2001)
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 doppelganger, the Noxious Offender.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMartha Marcy May Marlene (2011)
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 memories of what she experienced in the cult make peace hard to find. As flashbacks continue to torment her, Martha fails to shake a terrible sense of dread, especially in regard to the cult's manipulative leader.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisAmerican History X (1998)
Derek Vineyard is paroled after serving 3 years in prison for killing two African-American men. Through his brother, Danny Vineyard's narration, we learn that before going to prison, Derek was a skinhead and the leader of a violent white supremacist gang that committed acts of racial crime throughout L.A. and his actions greatly influenced Danny. Reformed and fresh out of prison, Derek severs contact with the gang and becomes determined to keep Danny from going down the same violent path as he did.
Why it matches: Recommended by TMDB viewers
Absolute CinemaMovies like thisShame (2011)
Brandon, a thirty-something man living in New York, eludes intimacy with women but feeds his deepest desires with a compulsive addiction to sex. When his younger sister temporarily moves into his apartment, stirring up bitter memories of their shared painful past, Brandon's life, like his fragile mind, gets out of control.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisFemale Trouble (1976)
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, she's enticed into a life of crime when the owners of her husband's salon promise her fame and fortune.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisGinger Snaps (2000)
The story of two outcast sisters, Ginger and Brigitte, in the mindless suburban town of Bailey Downs. On the night of Ginger's first period, she is savagely attacked by a wild creature. Ginger's wounds miraculously heal but something is not quite right. Now Brigitte must save her sister and save herself.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisHellraiser (1987)
A hedonistic man finds a mysterious puzzle box that summons a group of gruesome beings known as the Cenobites. These otherworldly entities open the doors to a dominion where pain and pleasure are indivisible.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Revenant (2009)
A horror movie/buddy comedy about Joey and his undead friend Bart who comes back from the dead as a revenant: an articulate zombie that needs to drink blood to arrest the decomposition of his body.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisAccident Man (2018)
Mike Fallon, the Accident Man, is a stone cold killer. When a loved one is murdered by his own crew, Fallon is forced to avenge the one person who actually meant something to him.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisDaddy's Head (2024)
A boy and his stepmother fear for their safety after an eerie creature resembling the boy's recently deceased father visits them.
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like this40 Dates and 40 Nights (2026)
Ready to quit the dating scene altogether, burned-out Leah accepts her grandmother's outrageous challenge—40 dates in 40 nights in exchange for a year's rent—only to discover amidst the awkward dinners and unexpected sparks that her biggest obstacle to love is herself.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisFunny Games (2008)
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 terrorize and torture the tight-knit clan, giving them until the next day to survive.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisJeff, Who Lives at Home (2012)
Dispatched from his basement room on an errand for his mother, slacker Jeff might discover his destiny (finally) when he spends the day with his brother as he tracks his possibly adulterous wife.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMary Goes Round (2018)
When a substance abuse counsellor gets arrested for a DUI and returns to her hometown of Niagara Falls, she learns that her estranged father is dying of cancer and wants her to form a bond with her teenage half-sister that she's never met.
Why it matches: Similar story and style
An Indivisible Heaven (1985)
Noel struggles to accept his father's remarriage to Agnes and the arrival of his step-sister, Melody. The two grow up harboring a bitter hatred for each other. When their parents die, Noel becomes Melody's legal guardian, much to her dismay. Later, each now married, the two become business partners and eventually grow closer.
Why it matches: Similar story and style
Zapped (2014)
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. But she soon learns that it isn't the cure-all she had hoped for.
Why it matches: Similar story and style
Popcorn FlickMovies like thisBig Girls Don't Cry... They Get Even (1992)
A girl fed up with her quirky, dysfunctional family runs away from home, causing all of them to spend time with each other.
Why it matches: Similar story and style
Nowhere to Lay My Eyes (2026)
With her brother, Sanghee visits her mother on Jeju Island. It’s been 10 years. Her mother's restaurant has become a hit. Her stepfather is making a film about a "grass tomb". His daughter has just started painting. Previously unknown facts, needless advice and cheap compliments are passed back and forth. On the morning of her departure, the other family members watch one of Sanghee's films.
Why it matches: Similar story and style
Another Happy Day (2011)
A wedding at her parents' Annapolis estate hurls high-strung Lynn into the center of touchy family dynamics.
Why it matches: Similar story and style
SnoozefestMovies like thisHaruko's Doll (2018)
In the early days of the Showa era in Matsuyama, Ehime Prefecture a newborn baby is abandoned with a doll under the eaves of a merchant house along the pilgrimage route in Shikoku. It seems to be a pilgrim struggling to make a living. This baby girl is named Haruko and brought by Tomita Shizuko and Katsuji as the younger sister of their son Ryosuke who is three years apart. When the war begins, 16-year old Ryosuke qualifies for the naval academy and crosses the Seto Inland Sea. After some consideration, Shizuko tells Haruko the truth that they are not real siblings for the first time. Haruko who has had a secret crush on her brother ever since he said that he would protect her, is innocently overjoyed and heads to Hiroshima to convey this to him. The next day, an atomic bomb explodes in the sky…
Why it matches: Similar story and style
Máncora (2009)
Following the suicide of his father, haunted by inner demons and his hatred for the world, Santiago decides to escape from Lima and take refuge in Máncora, a beach to the north of Peru where it is always summer.
Why it matches: Similar story and style
The Mother's Family (2013)
As Sun-kyeong's father fails his second marriage and rushes to migrate, Sun-kyeong writes a letter to her stepmother. While writing a letter, Sun-kyeong reminisce about her times at her brother's place in Seoul.
Why it matches: Similar story and style
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Frequently asked questions
What are the best movies like Step Siblings Caught 21?
The closest matches to Step Siblings Caught 21 are The Cement Garden (1993), Neds (2010) and Happiness (1998). Below are 27 more, each with the reason it matches.
What should I watch after Step Siblings Caught 21?
Start with The Cement Garden (1993), the closest match to Step Siblings Caught 21.
What is the highest-rated movie like Step Siblings Caught 21?
American History X (1998), rated 8.3/10 by 13,129 TMDB users.
What is the newest movie like Step Siblings Caught 21?
Nowhere to Lay My Eyes (2026) is the most recent release on this list.
Are there English movies like Step Siblings Caught 21?
Yes: The Cement Garden (1993), Neds (2010) and Happiness (1998).
How are movies similar to Step Siblings Caught 21 chosen?
First come films that Trakt’s viewers watch alongside Step Siblings Caught 21, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.