7 Mind-Bending Sci-Fi Thrillers About Alternate Realities On OTTs

Imagine waking up in a world that looks just like yours – but something is off. Maybe history unfolded differently, or a small decision changed everything.

If you love thrilling, reality-warping adventures, these must-watch movies and web series are for you!

The Man in the High Castle (Prime Video): What if the Axis powers won World War II? This series envisions a divided America under Nazi & Japanese rule, with mysterious newsreels hinting at alternate realities.

For All Mankind (Apple TV+): What if the Soviet Union reached the Moon first? This series imagines an extended Space Race, driving humanity further into space with new astronauts and breakthroughs.

The One (Prime Video): Jet Li plays a rogue agent hunting alternate versions of himself across the multiverse to become all-powerful.

The Thirteenth Floor (Prime Video): A noir-style sci-fi thriller where a virtual reality simulation of 1937 Los Angeles hides a dark secret. As the protagonist investigates a murder, he uncovers shocking truths about the nature of reality itself.

Back to the Future II (YouTube): A time-travel mishap creates a dystopian alternate 1985, forcing Marty McFly and Doc Brown to fix the timeline before it's too late.

Sliding Doors (YouTube): One missed train leads to two completely different life paths for Helen. This romantic drama explores parallel realities based on a single moment’s outcome.

Parallel (YouTube): A group of friends discovers a mirror that acts as a portal to parallel universes. As they exploit their alternate selves for personal gain, they soon realize that playing with reality comes at a dangerous price.