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.

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 are 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 and encounters a threat more dangerous than ever 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.

When their plan to infiltrate the Building goes awry, Gavin finds himself face-to-face with its enigmatic leader.

A reunited Harris family leads the effort to rescue Caroline and stop the sinkholes from happening, only to face forces that threaten to tear their family apart.

The Harrises return to 10,000 BC, determined to upload a virus that will stop all sinkholes, despite knowing that this will mean they will never get home again.

When a Survivor is murdered, Lucas and Sam lead a contentious investigation to find the killer.

A ruthless enemy holds the Clearing captive, threatening to kill a beloved Survivor if their demands for an unexpected item aren't met.

When the Clearing and Fort unite to celebrate the union of Ty and Paara, the invitation of a controversial guest threatens to upend the festivities.

Eve and Gavin ally with James to infiltrate the Lazarus Building in hopes of saving Ty and stopping Kiera from destroying their only way home.

Gavin leads his family toward a new way home, but each step inches everyone closer toward his devastating vision of Eve’s death.

With Gavin on the verge of dying, Eve and her family make a desperate attempt to set things right … even as an unexpected twist threatens to tear them apart forever.