Movies like Knock / Knock (2020)
The best movies like Knock / Knock (2020) are Space/Time (2025), The Time Shifters (1999) and The Quiller Memorandum (1966). If Knock / Knock hooked you with its thriller and science fiction, these 20 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedDoctor Who: A Christmas Carol (2010)8.0/10 from 251 votes
- NewestSpace/Time (2025)Released 2025
Space/Time (2025)
After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.
Why it matches: Recommended by TMDB viewers · both science fiction & thriller
SnoozefestMovies like thisThe Time Shifters (1999)
Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.
Why it matches: Recommended by TMDB viewers · both science fiction & thriller
SnoozefestMovies like thisThe Quiller Memorandum (1966)
After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.
Why it matches: Recommended by TMDB viewers · both thriller
SnoozefestMovies like thisManiac (1963)
When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisThe Deadly Affair (1967)
Charles Dobbs is a British secret agent investigating the apparent suicide of Foreign Office official Samuel Fennan. Dobbs suspects that Fennan's wife, Elsa, a survivor of a Nazi Germany extermination camp, might have some clues, but other officials want Dobbs to drop the case. So Dobbs hires a retiring inspector, Mendel, to quietly make inquiries. Dobbs isn't at all sure as there are a number of anomalies that simply can't be explained away. Dobbs is also having trouble at home with his errant wife, whom he very much loves, having frequent affairs. He's also pleased to see an old friend, Dieter Frey, who he recruited after the war. With the assistance of a colleague and a retired policeman, Dobbs tries to piece together just who is the spy and who in fact assassinated Fennan.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisJonathan (2018)
Jonathan is a young man with a strange condition that only his brother understands. But when he begins to yearn for a different life, their unique bond becomes increasingly tested.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisBlack Widow (1987)
Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisQuicksand (2023)
A married couple on the brink of divorce becomes trapped in quicksand while hiking through a Colombian rainforest. It’s a struggle for survival as they battle the elements of the jungle and must work together in order to escape.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisThe Blue Lamp (1950)
P.C. George Dixon is a long-serving traditional copper who is due to retire shortly. He takes a new recruit under his aegis and introduces him to the easy-going night beat. Dixon is a classic ordinary hero but also anachronistic, unprepared and unable to answer the violence of the 1950s.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisIndemnity (2022)
An ex-fireman with PTSD goes on the run when accused of a crime he doesn't even remember committing, leading him down a rabbit hole of conspiracy to the highest degree.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisDoctor Who: A Christmas Carol (2010)
Amy Pond and Rory Williams are trapped on a crashing space liner, and the only way the Eleventh Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs of Christmas Eve?
Why it matches: Recommended by TMDB viewers · both science fiction
Absolute CinemaMovies like thisThe Dark Mirror (1946)
A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.
Why it matches: Recommended by TMDB viewers · both thriller
Worth the HypeMovies like thisIslands (2025)
In this twisty thriller, a tennis coach at a tropical resort finds himself at the center of a missing persons mystery. Tom teaches tennis during the day and parties at night. When an enigmatic tourist arrives, Tom is unable to shake the feeling he has met her before. Tension and attraction grow, until her husband disappears, and the police suspect Tom.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisThe Lady Vanishes (2013)
Young socialite Iris Carr befriends an older woman while traveling solo by train. When Iris wakes from a nap, the woman is gone and other passengers claim she never existed.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisWhat's the Matter with Helen? (1971)
Two middle-aged women move to Hollywood after their sons are convicted of a notorious murder and open a dance school for children eager to tap their way to stardom.
Why it matches: Recommended by TMDB viewers · both thriller
SnoozefestMovies like thisRace with the Devil (1975)
Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisThe Glass Key (1942)
A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisNo Name on the Bullet (1959)
When hired killer John Gant rides into Lordsburg, the town's folk become paranoid as each leading citizen has enemies capable of using the services of a professional killer for personal revenge.
Why it matches: Recommended by TMDB viewers · both thriller
Popcorn FlickMovies like thisStargate SG-1: Children of the Gods (2009)
An alien similar to Ra appears out of the Stargate, killing five soldiers and kidnapping another, a year after the original Stargate mission. A new team is assembled, including some old members, and they go in search of the missing soldier in order to find out how Ra could still be alive. Meanwhile, the alien Goa'uld kidnap Sha're and Skaara, implanting them with symbiotes and making them Goa'uld hosts.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisDoctor Who: Dark Water / Death in Heaven (2014)
In this epic two-part finale, the Doctor comes face to face with the mysterious Missy, and an impossible choice is looming. With Cybermen on the streets of London, old friends unite against old enemies, and the Doctor takes to the air in a startling new role.
Why it matches: Recommended by TMDB viewers · both science fiction
Absolute CinemaMovies like this
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Frequently asked questions
What are the best movies like Knock / Knock?
The closest matches to Knock / Knock are Space/Time (2025), The Time Shifters (1999) and The Quiller Memorandum (1966). Below are 17 more, each with the reason it matches.
What should I watch after Knock / Knock?
Start with Space/Time (2025), the closest match to Knock / Knock.
What is the highest-rated movie like Knock / Knock?
Doctor Who: A Christmas Carol (2010), rated 8.0/10 by 251 TMDB users.
What is the newest movie like Knock / Knock?
Space/Time (2025) is the most recent release on this list.
Are there English movies like Knock / Knock?
Yes: Space/Time (2025), The Time Shifters (1999) and The Quiller Memorandum (1966).
How are movies similar to Knock / Knock chosen?
First come films that Trakt’s viewers watch alongside Knock / Knock, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.