In the series finale, Gavin leads the survivors in trying to find Eve, Josh and Riley. Will he be able to finally reunite his family and still find a way back to the lives they once knew?

A traitor turning on the Survivors leads to a deadly confrontation as they're shocked to learn where Eve has been taken.

When a massive fire breaks out, forcing everyone to flee, Sam and Lucas lead the group's fight for survival. Gavin is kidnapped by a woman with a surprising connection to his old life.

As Gavin and Sam search for a secret military base, they're surprised by an old colleague of Gavin's who may hold the clues to finding Eve.

As the Survivors attempt to integrate with the villagers at the Fort, a flock of vicious pterodactyls attacks. Ty tries to figure out his next steps and seeks help from an old friend.

After the Clearing's destroyed in a dinosaur attack, the Survivors must find a new home. Gavin discovers a clue about where Eve has been taken, but it results in even more tragic consequences.