For their annual Halloween wager, Jake bets Holt that he can steal his watch before midnight, and Gina gets kicked off her dance squad, Floorgasm.

When Jake's absentee father visits, Charles suspects he's up to no good. Holt throws down a brain twister challenge.

Tensions flare as Jake and Rosa work a case with two peculiar Swedish cops. Neil deGrasse Tyson drops by to help Gina prepare for a big test.

Freed from prison and back on duty, Jake hunts for a sneaker thief under Holt's watchful eye. Meanwhile, Rosa suspects Pimento of infidelity.