Watch 12 Monkeys Online (2015)

Where to watch “12 Monkeys” (2015) online legally? See US streaming options first, plus English-region fallbacks.

12 Monkeys first aired in 2015 • originally associated with Syfy • 4 seasons • 47 episodes • around 43 minutes per episode • status: Ended.

If you searched for “watch 12 Monkeys online” (2015), the safest approach is to verify legal availability in your region (US first, then English-region fallbacks).

It sits in the Sci-Fi & Fantasy, Drama space, which helps set expectations for tone and pacing.

Ratings vary by audience taste—check the synopsis and cast to see if it matches what you like.

This page includes season navigation, episode list, cast, trailer (when available), and legal provider hints to help you decide quickly.

Synopsis

The provocative story of Cole, a time traveler from a decimated future in a high-stakes race against the clock. Utilizing a dangerous and untested method of time travel, he journeys from 2043 to the present day on a mission to locate and eradicate the source of a deadly plague that will all but annihilate the human race.

Keywords

time travel, post-apocalyptic future, based on movie, plague.

Stills

Similar series

Travelers, The Stand, Earth Abides, The Time Traveler's Wife, The Stand, V Wars, Snowpiercer, Quantum Break.

Main cast

Aaron Stanford

as James Cole

Amanda Schull

as Cassandra Railly

Barbara Sukowa

as Katarina Jones

Emily Hampshire

as Jennifer Goines

Alisen Down

as Olivia Kirschner

Todd Stashwick

as Deacon

Official trailer