Episodes
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
The final conflict with the Army of the 12 Monkeys begins when the Witness returns to Project Splinter.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
Travelers come face to face with ghosts from their past when they find themselves maneuvering around their own timelines.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
Cassie travels back in time to confront a younger Olivia; Cole helps Jennifer find the meaning behind her final Primary vision.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
Team Splinter goes back in time to the wild frontier in search of a weapon to destroy the Witness.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
A clue to breaking the cycle leads Cole and Cassie to the 1960s; Zalmon Shaw returns.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
The team infiltrates a Nazi gala to steal an artifact known as "Die Glocke"; their operation comes undone when French ...read more The team infiltrates a Nazi gala to steal an artifact known as "Die Glocke"; their operation comes undone when French Resistance interferes and an unexpected guest arrives. show less
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
Jones sends Hannah back in time to 2007 on a personal mission that could be the key to everything.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
Everything changes when the team finally climbs the steps and rings the bell in the Middle Ages.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
The beginning of the end approaches as Cole and Cassie embark on their final mission.
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
The final battle against the Witness begins as the fate of time and mankind hangs in the balance; all the pieces finally come ...read more The final battle against the Witness begins as the fate of time and mankind hangs in the balance; all the pieces finally come together to mark the end of the beginning. show less
![12_monkeys_s4_default](https://media.comicbook.com/2018/06/12-monkeys-s4-default-1113324.jpeg?auto=webp)
When all hope is lost, Cole must complete his cycle so that his younger self will one day arrive at the end with the answer.