Neil Campbell

Leslie deals with a minor scandal; Tom tries to impress a woman.

Jake runs into Jess Day, who is visiting from Los Angeles, and enlists her help on a case; Holt looks for ways to improve morale; Amy investigates Rosa's long breaks.

Dangle and Williams attempt to haggle with a convicted serial killer to reveal the whereabouts of his buried victims.

Jake and Amy work together to try to create a system that balances their work and child care; Rosa gets a new house guest.

Strange lights are reported in the desert, and mysterious, unnamed officers show up around the station. The deputies wonder if they should be part of the Secret Santa gift exchange.

Joel McHale talks about his unusual birth; a Hollywood actor discusses his recent firing; Scott's new machine is running the show; Scott receives a warning from the future.