Adam
S02E05 - Airdate: 2008-02-13
Runtime: 50 min
When Adam, an alien with the power to change memories infiltrates the team, the entire dynamic of The Hub shifts. With Captain Jack caught up in memories of his lost family, Gwen struggling to remember Rhys, and Ianto convinced that he's a murderer... it costs the entire team dearly to rid themselves of Adam's influence.
Episode details and rating from TVmaze.