Movies Like 18th Birthday Party

If you liked 18th Birthday Party (2017), a movie directed by Paula Newman, 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
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…
2
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.
3
Orgazmo (1998)
★ 6.1/10
A devout Mormon living in L.A. becomes a pornographic actor after his martial arts moves impress a big-time director.
4
Project X (2012)
★ 6.9/10
Three high school seniors throw a party to make a name for themselves. As the night progresses, things spiral out of control as word of the party spreads.
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
Your Friends & Neighbors (1998)
★ 5.8/10
Restless and unhappy, two couples get caught up in infidelity and deception. Barry is a sullen businessman married to Mary, a writer who is unsatisfied with their relationship. Mary begins an affair with Jerry, a smug…
7
Shame (2011)
★ 6.9/10
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…
8
Hostel (2006)
★ 6/10
Three backpackers head to a Slovakian city that promises to meet their hedonistic expectations, with no idea of the hell that awaits them.
9
Auto Focus (2002)
★ 6.4/10
A successful TV star during the 1960s, former "Hogan's Heroes" actor Bob Crane projects a wholesome family-man image, but this front masks his persona as a sex addict who records and photographs his many encounters…
10
Carnal Knowledge (1971)
★ 6.6/10
Two lifelong friends navigate complex sexual encounters and emotional entanglements, wrestling with societal norms and personal desires.
11
Inside Deep Throat (2005)
★ 6.4/10
In 1972, a seemingly typical shoestring budget pornographic film was made in a Florida hotel: "Deep Throat," starring Linda Lovelace. This film would surpass the wildest expectation of everyone involved to become one…
12
The Dreamers (2003)
★ 7.2/10
When Isabelle and Theo invite Matthew to stay with them, what begins as a casual friendship ripens into a sensual voyage of discovery and desire in which nothing is off limits and everything is possible.
13
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.
14
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…
15
Below Her Mouth (2017)
★ 6.8/10
An unexpected affair quickly escalates into a heart-stopping reality for two women whose passionate connection changes their lives forever.
16
Beyond the Valley of the Dolls (1970)
★ 6.1/10
An all-girl rock band moves to Hollywood in the hope of achieving success, only to fall into a whirlpool of wickedness and decadence.
17
Intimacy (2001)
★ 6.2/10
Failed musician Jay abandoned his family and now earns a living as head bartender in a trendy London pub. Every Wednesday afternoon, a woman comes to his house for graphic, almost wordless, sex. One day, Jay follows…
18
All My Friends Hate Me (2022)
★ 5.9/10
A college reunion goes awry when Pete suspects his friends may be out to get him... As their weekend getaway grows more and more uncomfortable, should Pete be worried about his safety, or is it all in his head?
19
Fair Play (2023)
★ 6.4/10
An unexpected promotion at a cutthroat hedge fund pushes a young couple's relationship to the brink, threatening to unravel not only their recent engagement but their lives.
20
Strange Darling (2024)
★ 6.9/10
Nothing is what it seems when a twisted one-night stand spirals into a serial killer’s vicious murder spree.