Season 4 (2018)

In Season 4, James Cole and Dr. Cassandra Railly set out on an epic quest, traveling further back in time than they have ever been before. According to legend, their only hope lies with a weapon capable of stopping the Witness for good. But they'll soon discover that in order to win the final battle and save time itself, they will have to make the ultimate sacrifice.

Episodes: 11

Star Cast: Aaron Stanford , Amanda Schull , Barbara Sukowa , Emily Hampshire ,

Episodes List

Ep.1 The End

Air Date: 2018-06-15

The final conflict with the Army of the 12 Monkeys begins when the Witness returns to Project Splinter.

Ep.2 Ouroboros

Air Date: 2018-06-15

Travelers come face to face with ghosts from their past when they find themselves maneuvering around their own timelines.

Ep.3 45 RPM

Air Date: 2018-06-15

Cassie travels back in time to confront a younger Olivia; Cole helps Jennifer find the meaning behind her final Primary vision.

Ep.4 Legacy

Air Date: 2018-06-22

Team Splinter goes back in time to the wild, wild frontier in search of a weapon to destroy the Witness.

Ep.5 After

Air Date: 2018-06-22

A clue to breaking the cycle leads Cole and Cassie to the 1960s. Christopher Lloyd returns as Zalmon Shaw, a devoted follower of the Witness.

Ep.6 Die Glocke

Air Date: 2018-06-22

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.

Ep.7 Daughters

Air Date: 2018-06-29

Jones sends Hannah back in time to 2007 on a personal mission that could be the key to everything.

Ep.8 Demons

Air Date: 2018-06-29

Everything changes when the team finally climbs the steps... and rings the bell in the Middle Ages.

Ep.9 One Minute More

Air Date: 2018-06-29

The beginning of the end as Cole and Cassie embark on their final mission.

Ep.10 The Beginning (1)

Air Date: 2018-07-06

The final battle against the Witness as the fate of time and mankind hangs in the balance. All the pieces finally come together to mark the end of the beginning.