Beaten, battered, and betrayed, John 117 leads the Spartans on a suicide mission to find the Halo and save humanity. But at what price?

John takes Kwan to an old friend and learns more about the mystery object, which the Covenant and Makee are determined to steal. With the alien threat growing, Dr. Halsey…

John meets his new partner, and he discovers secrets inside his own memory. Kwan wants to return to Madrigal to continue her people’s fight for independence, but Soren has other…

Vanessa and Scott investigate Martin Copeland as the suspects try to hunt him down. Katherine risks everything in a shocking interview.

Season finale. As Leo’s countdown begins, Cresswell’s past leads Vanessa and Scott to uncover the truth.

Doctor Turner is concerned by the spread of tuberculosis in the community, Jenny tries to repair a father and daughter’s fractured relationship, and Sister Bernadette receives devastating news.

After an unexpected meeting with the enigmatic old sorcerer Taliesin, the wizard takes Merlin to the crystal cave allowing him to witness a glimpse of the future. However, this gesture…

At a carnival, Darrel and Tim fight one scam while Soda is caught in another when a seductive carny girl separates him from the car he’s “borrowed” for the evening.