12 Monkeys is an American science fiction series that first aired on the Syfy channel. It is based in part on the movie by the same name which, in turn, was partially based on a short French film entitled La Jetée.
In the series, ninety-eight percent of the world populaion is killed by he Kalavirus, and time-traveler James Cole was sent back from 2043 to prevent the plague masterminded by the Army of the 12 Monkeys.
Season 2 premiered on April 18, 2016 and will consist of 13 episodes.
Season 3 premiered on May 19, 2017 and consisted of 10 episodes. The entire season was rolled out over the course of one weekend, with the season finale airing on May 21.
Season 4 will air in 2018. It will consist of 10 episodes and will be the final season.