Ben attempts to surprise Leslie with a special anniversary gift.

Jane reels from a series of massive revelations about her tattoos and grapples with whether to trust Oscar. Meanwhile, a tattoo leads the team to a shocking discovery in the Black Sea.

After a tip reveals there's a mole within the FBI's New York Office, the team must hunt for the operative while facing extreme scrutiny from Inspector Fischer. The team's secrets threaten to be exposed, and everyone is a potential suspect - but some have more to hide.

Turn off your mind, relax and float down stream … it is not dying … it is not dying.

A body-conscious Bret gets dream advice from a rock idol. Murray, meanwhile, pitches a Conchords tune to an audio greeting-card company.

In order to stop a terrorist group from procuring a deadly chemical weapon, the team must remember key details from their first days at the FBI. Meanwhile, Weller worries after he gets scary news about the health of his daughter.