A federal agent tracks four people who suddenly seem to possess entirely new personalities, leading to a startling discovery about humanity's future.

1. Pilot 50m When several random citizens are possessed by people from the future, FBI agent Grant MacLaren discovers their critically important mission.

2. Protocol 6 47m MacLaren and the team adjust to unexpected challenges in their new lives while trying to prevent an antimatter detonation that could kill thousands.

3. Aleksander 47m Wracked with guilt, Philip defies the rules in an unauthorized attempt to alter the future, resulting in violence and the exposure of his secret.

4. Hall 45m After rescuing a more experienced team, MacLaren and the other Travelers discover that not everybody from the future is playing by the same rules.

5. Room 101 45m Kidnapped by a faceless nemesis who seems to know their secret, MacLaren's team is held captive and interrogated while he scrambles to find them.

6. Helios 685 45m The team prepares to fulfill its primary mission, which will save millions of lives but could possibly spell disaster for their own futures.

7. Protocol 5 45m Unsure if their mission succeeded, the Travelers face the prospect of living out the rest of their lives in their challenging 21st century personas.

8. Donner 46m MacLaren handles a misfired Traveler while Trevor and Carly deal with personal issues, and Philip notices a minor change to the timeline.

9. Bishop 46m Circumstances force MacLaren to go off-mission during an unusual solo assignment involving his wife, politics and a catastrophic air disaster.

10. Kathryn 45m Surgeons work to save MacLaren as he hovers between life and death. The team tries to cover up the situation as suspicions grow at work and home.

11. Marcy 46m Marcy's condition deteriorates, requiring two new Travelers to attempt an experimental procedure that could keep her alive, but at a high cost.