Lucas races to complete his mystery device before the 11th Pilgrimage arrives; Taylor and Jim confront Terra Nova’s “Sixer” mole; Skye finds a familiar face; the colony prepares for war.

Taylor confronts Mira in the jungle, where he learns more about her plans; Jim closes in on the Sixer mole; Zoe faces a tough choice concerning the dinosaur she’s been caring for

Jim uncovers an old murder, for which Taylor is the prime suspect; Taylor searches for a Sixer infiltrator.

Maddy interns for the colony’s best scientist, and a terrible secret puts her life in danger; Josh makes progress on his bid to bring his girlfriend from the future to Terra Nova

A crashing meteor wreaks havoc and renders technology useless; Reynolds and Maddy are stuck in the wilderness; Taylor tries to thwart an invasion of the Sixers; a mystery man surfaces

Jim and Taylor investigate the first murder in the colony; Skye helps Josh find a way to reunite with his girlfriend from 2149; Elisabeth and Zoe try to help an unborn ankylosaurus survive.

A “Sixer” girl seeks asylum in Terra Nova; Taylor suspects that there’s a traitor in the ranks; Mira schemes to reclaim a possession; Reynolds confesses his feelings for Maddy

Radio silence at a nearby scientific outpost prompts an investigation that reveals the outbreak of a deadly virus that causes memory loss, and paranoia, which poses a risk to Terra Nova

Jim and Taylor try to save the colony from a legion of pterosaurs; Elisabeth learns that a former flame is also living in Terra Nova; Reynolds becomes protective of Maddy; Skye tries to help Josh adjust to his new home.

In a bleak future, a police raid on a family lands the father)—a cop—in jail, and a chance for his family to get a fresh start on Terra Nova forces him to take drastic measures in the opener of the sci-fi series following colonists who voyage to Earth’s prehistoric past to create a new civilization.