Episode List

Sydney tries to piece together the last two years of her life and discovers the fates of her friends and family. She confronts Vaughn about his marriage and learns the shocking…

Sydney’s search for her past leads to a jailed Sark, but their Q&A is cut short when he becomes the ransom for a pair of abducted CIA scient…

Sydney and Vaughn are reunited again as a team to prevent Sark from destroying the nation’s satellite communications system. Meanwhile, Jack must find a way to stop Marsh…

Sydney discovers a link to her missing two years in the form of Simon Walker, the dangerous and sexy leader of a group determined on retrieving deadly biological weapons. Meanw…

While Vaughn’s life hangs in the balance, Lauren butts heads with Sydney after learning the part she played in his stabbing. Meanwhile, Sydney further questions Sloane…

Sydney’s emotions are turned inside-out when she comes face-to-face with Allison, Francie’s doppelgänger, who was presumed dead but is now a key figure in The Coven…

Jack takes drastic measures to ensure that the NSC never finds out the truth about Sydney’s murder of a Russian diplomat. But his actions place…

When Sydney is taken into custody by the NSC, Jack and Vaughn have no choice but to ally themselves with Sloane to rescue her. But with only hours to…

After making a shocking discovery in the desert, Sydney agrees to submit to an experimental procedure conducted by an eccentric doctor, designed to retrieve her lost memories.…

The identity of the mysterious “St. Aidan” forces Sydney to pull a stunned Will out of witness protection. But the pursuit sends the two old friends on a collision…

Sydney finally learns the shocking truth about her missing two years from an unlikely source.

Jack contacts a mysterious woman with ties to Irina to help him free Sydney and Vaughn, who have been captured and face a North Korean firing squad. But Jack is faced with a cu…

Sydney and Vaughn are sent to retrieve the Doleac Agenda to gain an advantage over The Covenant. For this, Sydney and Weiss must convince rogue security systems designer Toni C…

While trying to retrieve a bomb, Sydney and Vaughn are ambushed by unidentified assailants. Meanwhile, Lauren and Sark continue to solidify their new partnership, Sloane divulg…

Sydney and Vaughn must convince bomb maker Daniel Ryan that they are part of The Covenant in order to find out where he has hidden one of his devices. But Sydney discovers that…

Sydney attempts to rescue Dixon’s kids after they are kidnapped by Sark, Lauren’s status as a double agent is put to the test when she learns that she has to work w…

Sydney and Vaughn must track Kazari Bomani down to get hold of a piece of the Rambaldi puzzle. Meanwhile, Jack reveals his suspicions to Senator Reed about his daughter Lauren&…

Sydney and Jack warn a disbelieving Vaughn about their suspicions of Lauren being the CIA mole. Meanwhile, Bomani and Sark take possession of the Ramb…

After finding out that Lauren is working for the Covenant, Vaughn is told to keep up the façade of a happy marriage in order to keep tabs on his wife’s activities. But he…

After discovering the identity of the Rambaldi “Passenger,” Sydney and Jack seek the aid of Sloane, to track the “Passenger” down. Meanwhile, after lear…

With the aid of Katya Derevko and CIA imprisoned security systems designer Toni Cummings, Sydney and Vaughn attempt to track down Sloane and Nadia. Bu…

Lauren stages a stunning betrayal to steal classified materials from the CIA. Meanwhile, Vaughn comes face to face with his darkest demons in pursuit…