Shattered by recent losses and a sweeping new protocol, the Travelers face a bleak future with only one long-shot chance to succeed in their mission.

The Faction sets off nuclear blasts that destroy all of the Travelers' archives, except the one in which a wounded David just happens to be trapped.

The team is torn apart when they discover the Director has a hidden agenda.

In the season finale, the travelers must follow the rules of a madman in order to rescue their kidnapped loved ones and ensure the traveler program isn’t exposed to the world.

While MacLaren, Carly, Trevor, and Philip work with another traveler team to protect a child important to the future, Marcy takes measures to remember her past life – but uncovers more than she bargained for.

MacLaren is kept on a tight leash after the Director orders an assassination.

MacLaren urges Yates to help him when a Traveler with a mission vital to humanity's survival arrives in the body of a just-captured serial killer.

Trevor defies the Director while the team contends with Marcy’s inevitable death.

When the team meets Simon, a homeless man with a startling history, they’re led down a path that leads directly to the very first traveler.

The team tackles their primary mission: stop a cataclysmic event that could change the course of human history.

The team struggles to live 21st century lives as they’re faced with the prospect that their missions might be over for good.

Philip makes an unexpected connection, Marcy helps David cope with his trauma, and MacLaren discovers a shocking truth that Kathryn has been hiding from him.

A skydiving traveler must try, repeatedly, to save our team from a horrible fate.

Certain that his team erased his memory of the previous day, MacLaren retraces his steps in the case of a disturbed youth with a horrific future.

MacLaren’s leadership is challenged when he’s directed to assist a more experienced team of travelers that wants to join forces.

A team member buckles under the guilt of not being allowed to prevent future deaths and puts the travelers in jeopardy.

Teetering on the brink of death, MacLaren slips in and out of his host's memories.

The Faction kidnaps Philip and a group of other historians, forcing MacLaren and the team to extract their location from a critically injured Hall.

MacLaren is on his own as he fights to unravel the mystery of his team’s sudden disappearance.

The team's first mission goes awry when a fatal mistake leaves them holding a ticking time bomb.