The mystery genre dives into the dark corners of things we don't know, but the science fiction genre explores all of the things we wish we knew.
What happens when you merge these two genres? A heap of tension, heart-racing action, addictive intrigue, and incredible storytelling.
Want to find a missing person in space? Trying to catch a robot in a lie? Need to use time travel to save the world? It's no sweat.
Here are eight of the best sci-fi mystery movies you can stream tonight!
I, Robot
It's 2035, and Chicago homicide detective Del Spooner (Will Smith) is working an unusual case. When a robotics genius falls to his death from a window, its initially declared a suicide.
Spooner isn't so sure, and has his suspicions that one of the robots roaming the city may have been involved in the crime. Is his technophobia getting the best of him, or is there a robotic conspiracy afoot?
Source Code
U.S. Army pilot Colter Stevens (Jake Gyllenhaal) wakes up on a Chicago commuter train in the body of school teacher Sean Fentress.
As part of an experimental government program, he has eight minutes to find the identity of a terrorist bomber. If he fails, the train explodes and his consciousness will be sent right back to the same eight-minute loop.
Dark City
John Murdoch (Rufus Sewell) awakens at the scene of a ritualistic murder with no memories.
Fleeing a group of mysterious beings known as the “Strangers” he fights through a nightmarish world not only to survive, but to clear his name and recover his identity.
All the while, reality is being altered around him.
What Happened to Monday
Set in the near future, a one-child policy has been instituted, resulting in any extra children in a family being put into permanent cryosleep.
Identical septuplet sisters named after the days of the week have been living their whole lives in hiding, assuming one identity: Karen Settman (Noomi Rapace).
But when the sisters' sibling, Monday, goes missing, they set out on a dangerous journey to track her down, risking exposure.
Ad Astra
Three decades ago, H. Clifford McBride (Tommy Lee Jones) set out into space in search of intelligent life, but he and his crew never returned.
Now his son, Roy (Brad Pitt), takes on a mission to journey out across the dangerous solar system to find out what happened—and if there were any survivors.
But the truth may just doom the entire universe.
Men in Black
This otherworldly buddy cop movie is a reminder that science fiction can be as fun and goofy as any other genre.
NYC cop James Edwards (Will Smith) becomes Agent J when he joins a secret government agency aimed at managing extraterrestrial interference.
With the help of his seasoned partner, Agent K (Tommy Lee Jones), J must track down a dangerous alien item that an intergalactic villain has stolen.
Blade Runner 2049
A sequel to the gritty classic Blade Runner, this film takes on more of a mystery than its thrilling predecessor. K (Ryan Gosling) is a replicant working for the LAPD as a blade runner, one who tracks down and “retires” rogue replicants.
When he uncovers an old and dangerous secret, he must find former blade runner Rick Deckard (Harrison Ford) to unravel the truth.
12 Monkeys
In 1996, a deadly virus wiped out most of humanity. In 2035, prisoner James Cole (Bruce Willis) is sent back in time to find the virus and bring it back for scientists to develop a cure.
Unfortunately, Cole arrives six years too early, but his stint in a mental hospital may give him the clues he needs to save what's left of the population.
