Movies Like Gas! -Or- It Became Necessary to Destroy the World in Order to Save It.

If you liked Gas! -Or- It Became Necessary to Destroy the World in Order to Save It. (1970), a comedy and science fiction movie directed by Roger Corman, 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
Relax, I'm from the Future (2023)
★ 5.9/10Also comedy and science fiction
Casper is a time traveller who arrives in the 2020s in an attempt to prevent a major future catastrophe. He meets Holly, a queer black woman he befriends and draws into his plan by giving her his knowledge of the…
2
Afterburn (2025)
★ 6.2/10Also science fiction and comedy
Set against the backdrop of a postapocalyptic Earth whose Eastern Hemisphere was destroyed by a massive solar flare, leaving what life remains mutated from radiation and fallout. The story revolves around a group of…
3
Contagion of Fear (2023)
★ 6.1/10Also science fiction
A catastrophic train derailment sends the city spiraling into chaos. But the derailment is just the beginning. A biological gas attack sees crash survivors collapsing and dying within minutes. And the sickness is…
4
Death Race 2000 (1975)
★ 6.2/10Also science fiction and comedy
In a boorish future, the government sponsors a popular, but bloody, cross-country race in which points are scored by mowing down pedestrians. Five teams, each comprised of a male and female, compete using cars equipped…
5
Amazon Women on the Moon (1987)
★ 5.9/10Also comedy and science fiction
Centered on a television station which features a 1950s-style sci-fi movie interspersed with a series of wild commercials, wacky shorts and weird specials, this lampoon of contemporary life and pop culture skewers some…
6
Mad Max (1979)
★ 6.7/10Also science fiction
In the ravaged near-future, a savage motorcycle gang rules the road. Terrorizing innocent civilians while tearing up the streets, the ruthless gang laughs in the face of a police force hell-bent on stopping them.
7
Timescape (1992)
★ 6.4/10Also science fiction
Before they can complete renovations on their new country inn, a widowed father and his young daughter are visited by a strange group of tourists. He soon makes a chilling discovery: they are disaster junkies from the…
8
South Park: Joining the Panderverse (2023)
★ 7.5/10Also comedy and science fiction
Cartman's deeply disturbing dreams portend the end of the life he knows and loves. Meanwhile, the adults in South Park are wrestling with their own life decisions, as the advent of AI is turning their world upside down.
9
Zardoz (1974)
★ 5.9/10Also science fiction
In the far future, a savage trained only to kill finds a way into the community of bored immortals that alone preserves humanity's achievements.
10
Britannia Hospital (1982)
★ 6.2/10Also comedy and science fiction
Britannia Hospital, an esteemed English institution, is marking its gala anniversary with a visit by the Queen Mother herself. But when investigative reporter Mick Travis arrives to cover the celebration, he finds the…
11
They Cloned Tyrone (2023)
★ 6.6/10Also comedy and science fiction
A series of eerie events thrusts an unlikely trio onto the trail of a nefarious government conspiracy lurking directly beneath their neighborhood.
12
Terminator Salvation (2009)
★ 6.1/10Also science fiction
All grown up in post-apocalyptic 2018, John Connor must lead the resistance of humans against the increasingly dominating militaristic robots. But when Marcus Wright appears, his existence confuses the mission as…
13
Monsters of Man (2020)
★ 6.4/10Also science fiction
A robotics company vying to win a lucrative military contract team up with a corrupt CIA agent to conduct an illegal live field test. They deploy four weaponized prototype robots into a suspected drug manufacturing…
14
Universal Soldier: The Return (1999)
★ 5.9/10Also science fiction
Luc Deveraux, the heroic former Universal Soldier, is about to be thrown into action once again. When SETH, the supercomputer-controlled ultra-warrior, decides to take revenge and destroy its creators, only Luc can…
15
Code 8 Part II (2024)
★ 6.4/10Also science fiction
In a world where superpowered people are heavily policed by robots, an ex-con teams up with a drug lord he despises to protect a teen from a corrupt cop.
16
Mickey 17 (2025)
★ 6.8/10Also science fiction and comedy
Unlikely hero Mickey Barnes finds himself in the extraordinary circumstance of working for an employer who demands the ultimate commitment to the job… to die, for a living.
17
Bugonia (2025)
★ 7.3/10Also science fiction and comedy
Two conspiracy obsessed young men kidnap the high-powered CEO of a major company, convinced that she is an alien intent on destroying planet Earth.
18
Rage of Stars (2026)
★ 6.4/10Also science fiction
A story about a woman from the International Special Forces Unit, who has a premonition about the impending end of humanity.
19
Repo Man (1984)
★ 6.6/10Also comedy and science fiction
A down and out young punk gets a job working with a seasoned repo man, but what awaits him in his new career is a series of outlandish adventures revolving around aliens, the CIA, and a most wanted '64 Chevy.
20
Idiocracy (2006)
★ 6.4/10Also comedy and science fiction
To test its top-secret Human Hibernation Project, the Pentagon picks the most average European-Americans it can find - an Army private and a prostitute - and sends them to the year 2505 after a series of freak events…