When an unstable detective returns to the Nine-Nine after years undercover, Jake doesn’t know what to make of him. Meanwhile, Charles’ rebellious behavior pits him against the precinct’s custodian, and Holt enlists Gina’s help in directing a “fun and informational” video starring himself and Rosa.
Elenco: Andy Samberg , Melissa Fumero , Terry Crews , Joe Lo Truglio , Stephanie Beatriz , Andre Braugher , Dirk Blocker , Joel McKinnon Miller , Chelsea Peretti .