La Brea

Desperate to reunite with her son, Eve follows a lead that brings her face-to-face with a ruthless prehistoric group. Gavin, Izzy and Ella question whether they’re fit to survive in 10,000 BC. Josh and Riley wake up in an unfamiliar time.

While Gavin enlists the help of his grandfather to guide him to his missing wife, Eve and Levi navigate a horrifying new reality. In 1988, Josh and Riley discover they’re being followed by a suspicious man who reveals information about the mystery behind the sinkholes.

After an emotional reunion, Gavin and Eve attempt a daring escape from their unforgiving captors; Lucas leads a dangerous mission to the fort to reclaim the resources his friends so desperately need.

When a fog falls over the Clearing, Eve leads a defense against a group of invaders, only to encounter a threat more dangerous than they’ve faced before. In 1988, Josh and Riley pursue a woman who may hold the key to stopping the impending tidal wave disaster.

Eve, Gavin and others attempt to commandeer a shipment of black rock to gain access to the mysterious Building, where they believe they may find a way to bring Josh and Riley home. In 1988, Josh and Riley must act swiftly to prevent Caroline from altering the timeline.

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 tracking the lead down results in even more tragic consequences.

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.

As Gavin and Sam search for a secret military base, they're surprised by an old colleague of Gavin's who just may hold the clues to finding Eve. When Ty and Sam try to figure out how to bring their friends home.

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 who may hold the answers about Eve that he's been seeking.

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