Episode 4 (S01E04)

Realizing that the KGB is outmaneuvering them, Joe persuades the team to consider a risky double agent operation, although his colleagues are understandably apprehensive. With the deadly assassin Odin still on the loose, doubts arise about whether Arkady, the KGB defector, would be willing to put his life on the line for their cause. At the same time, Alan faces a shocking revelation that puts his marriage to fellow agent Sarah in jeopardy. Bobby's ambitions take a hit when his father disrupts his plans, bringing up concerns that could unravel his career.