Skyfire Cycle

S4, E8: When famous author DC Parlov (guest star Fred Melamed, "Casual") receives death threats, Jake and Terry take the case, so that Terry can meet his lifelong hero. Back at the precinct, Gina forces her way into the Boyle clan of cousins in an attempt to choose the location of the annual Boyle family vacation. Meanwhile, Holt's anger peaks when Amy chooses Kevin's side in their argument about a math puzzle.