If You Liked The X-Files: I Want to Believe, Watch These Next
Finished The X-Files: I Want to Believe (2008) and want more of the same? These 20 movies are what its fans watched next, ranked by how often people who liked it also liked these. Like The X-Files: I Want to Believe, most of them are mystery, science fiction, thriller.
Everything on this page has a home release and plays right here on Rotten Brains — pick one and press play. No sign-up, and a free account only adds resume and history.
20 titles · updated 3rd October 2026
1.Rage of Stars(2026)
6.6ActionScience FictionThrillerAlso science fiction and thriller
A story about a woman from the International Special Forces Unit, who has a premonition about the impending end of humanity.
Watch now
3.The X-Files(1998)
6.9MysteryScience FictionThrillerAlso mystery and science fiction
Mulder and Scully, now taken off the FBI's X Files cases, must find a way to fight the shadowy elements of the government to find out the truth about a conspiracy that might mean the alien colonization of Earth.
Watch now
4.All the Devils Are Here(2025)
6.3ThrillerCrimeMysteryAlso thriller and mystery
After a heist, four criminals lay low in a remote safehouse, waiting for orders. As paranoia builds, one thing becomes clear — the real threat may not be outside, but among them.
Watch now
5.The Empty Man(2020)
6.2HorrorMysteryThrillerAlso mystery and thriller
On the trail of a missing girl, an ex-cop comes across a secretive group attempting to summon a terrifying supernatural entity.
Watch now
7.Alien Nation(1988)
6.1Science FictionCrimeThrillerAlso science fiction and thriller
A few years from now, Earth will have the first contact with an alien civilization. These aliens, known as Newcomers, slowly begin to be integrated into human society after years of quarantine.
Watch now
8.Secret in Their Eyes(2015)
6.4ThrillerMysteryCrimeAlso thriller and mystery
A tight-knit team of FBI investigators, along with their District Attorney supervisor, is suddenly torn apart when they discover that one of their own teenage daughters has been brutally murdered.
Watch now
9.The Signal(2007)
5.9HorrorScience FictionThrillerAlso science fiction and thriller
A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.
Watch now
10.Black Rainbow(1989)
5.9MysteryThrillerHorrorAlso mystery and thriller
Martha Travis is a medium who makes contact with spirits "on the other side" and connects them with their loved ones still alive, in public performances. Trouble begins when she gives a message to Mary Kuron from her husband, Tom. But Tom isn't dead... yet. And Martha not only knows he will die, she also knows who…
Watch now
11.Dark Skies(2013)
6.4Science FictionThrillerHorrorAlso science fiction and thriller
From the producers of Paranormal Activity, Insidious, and Sinister comes Dark Skies: a supernatural thriller that follows a young family living in the suburbs. As husband and wife Daniel and Lacey Barret witness an escalating series of disturbing events involving their family, their safe and peaceful home quickly…
Watch now
12.Cleaner(2007)
6.1CrimeThrillerMysteryAlso thriller and mystery
Single father and former cop Tom Cutler has an unusual occupation: he cleans up death scenes. But when he's called in to sterilize a wealthy suburban residence after a brutal shooting, Cutler is shocked to learn he may have unknowingly erased crucial evidence, entangling himself in a dirty criminal cover-up.
Watch now
14.Serenity(2005)
7.4Science FictionActionAdventureAlso science fiction and thriller
A group of rebels travel the outskirts of space evading the sinister Alliance regime. Their lives of smuggling and cargo-running are interrupted by a psychic passenger who harbours a dangerous secret. Soon, the crew find themselves being pursued by an Alliance agent who will stop at nothing to find them.
Watch now
17.Crimes of the Future(2022)
6.0Science FictionHorrorThrillerAlso science fiction and thriller
With his partner Caprice, celebrity performance artist Saul Tenser publicly showcases the metamorphosis of his organs in avant-garde performances. An investigator from the National Organ Registry obsessively tracks their movements, which is when a mysterious group is revealed... Their mission — to use Tenser's…
Watch now
18.Flashback(2021)
5.9ThrillerMysteryAlso thriller and mystery
Frederick Fitzell is living his best life—until he starts having horrific visions of Cindy, a girl who vanished in high school. After reaching out to old friends with whom he used to take a mystery drug called Mercury, Fredrick realizes the only way to stop the visions lies deep within his own memories, so he embarks…
Watch now
19.Predator 2(1990)
6.3Science FictionActionThrillerAlso science fiction and thriller
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
Watch now
20.Hollow Man(2000)
6.0ActionScience FictionThrillerAlso science fiction and thriller
Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the subject. The test is a success, but when the process can't be reversed and Caine seems doomed to future…
Watch now