12 Monkeys
"End at the beginning."
A Syfy Original
From a ruined future, a man named Cole uses an experimental form of time travel to reach the present and stop a deadly plague at its source. His mission hinges on gathering clues, following a dangerous trail that connects decades and lives. In the present, he teams with Cassandra Railly, a... Read more
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Streaming availability last verified: January 24, 2026
About 12 Monkeys
From a ruined future, a man named Cole uses an experimental form of time travel to reach the present and stop a deadly plague at its source. His mission hinges on gathering clues, following a dangerous trail that connects decades and lives. In the present, he teams with Cassandra Railly, a determined doctor who begins to see through the mystery behind the outbreak. Katarina Jones, the architect of the time travel project, becomes a powerful ally as the conspiracy behind the virus unfolds. The story threads together overlapping eras, challenging trust, memory, and the price people pay when they try to alter history.
Created by Terry Matalas, Travis Fickett and Janet Peoples, 12 Monkeys premiered on Syfy in 2015 and ran for four seasons. It reimagines the 1995 film as a tight serialized puzzle, anchored by Aaron Stanford as James Cole and Barbara Sukowa as Katarina Jones.
The series drew notice from critics and fans alike and earned nominations in several genre awards, recognizing its ambition, craft and the performances that anchor its time bending premise. Barbara Sukowa especially received praise for her portrayal of Katarina Jones, while the ensemble was noted for balancing thriller pace with character depth, and the production design earned acclaim for its atmosphere.
The show helped extend the film's legacy by proving a serialized time travel saga could sustain atmosphere and mystery across seasons. It sparked fan theories about timelines and moral choices and left behind memorable visuals that stayed in sci fi conversations beyond the screen. It also contributed to a wave of genre storytelling that balanced suspense with character driven drama.
Critics praised its dense plotting and performances while noting its emotional stakes and evolving dynamic between Cole and Railly. The show delves into themes of fate versus choice, the ethics of intervention in time, memory and trauma, and the cost of trying to rewrite the past. Audiences responded with engagement across a devoted fan base and a willingness to follow the series through its layered twists.
Details
- Release Date
- January 16, 2015
- Episode Length
- 43m
- Rating
- TV-14
- User Ratings
- 1,136 votes
- Type
- TV Series
- Seasons
- 4
- Episodes
- 47
- Network
- Syfy
- Status
- Ended
- Genres
- Sci-Fi & Fantasy, Drama
- Country
- United States
- Studio
- Atlas Entertainment
- External Links
- View on IMDB
Official Trailer
Cast
Aaron Stanford
James Cole
Amanda Schull
Cassandra Railly
Barbara Sukowa
Katarina Jones
Emily Hampshire
Jennifer Goines
Alisen Down
Olivia Kirschner
Todd Stashwick
Deacon
Created by: Terry Matalas, Travis Fickett, Janet Peoples
Seasons (4 seasons, 47 episodes)
Season 1
13 episodes - 2015
Season 2
13 episodes - 2016
Season 3
10 episodes - 2017
Season 4
11 episodes - 2018