Another thrilling season of one of the most explosive series on television! Starting with an undercover sting to find a massive bomb, and culminating in a desperate hunt for a devious serial killer, Season Five of FBI finds Special Agent in Charge Isobel Castille, Assistant Special Agent in Charge Jubal Valentine, and Special Agents Maggie Bell, Omar Adom OOAO Zidan, Stuart Scola and Tiffany Wallace putting their unique expertise to the ultimate test against the deadliest threats in New York and the nation.