CHARLES GOES "FULL BOYLE" --
- Detective Boyle's new romance has upped his swagger, but Jake intervenes before his colleague goes "Full Boyle" and gets too serious, too soon, with his girlfriend (guest star Marilu Henner).
- Meanwhile, Rosa and Amy have trouble taking a costumed citizen crime-fighter seriously, and Captain Holt has a new opponent.
Cast: Andy Samberg as Det. Jake Peralta; Andre Braugher as Capt. Ray Holt; Terry Crews as Sgt. Terry Jeffords; Melissa Fumero as Det. Amy Santiago; Joe Lo Truglio as Det. Charles Boyle; Stephanie Beatriz as Det. Rosa Diaz; Chelsea Peretti as Gina Linetti
Guest Cast: Dirk Blocker as Detective Hitchcock; Joel McKinnon Miller as Detective Scully; Marilu Henner as Vivian; Nate Torrence as Super Dan; Marque Richardson as Brian Jensen; Amanda Lund as Bernice.