Amy suddenly vanishes hours before taking the Sergeant Exam, and it's up to Jake and Rosa to find her before it's too late. Meanwhile, Terry and Holt devise a plan to spruce up the soft room by adding in model trains for children who come into the precinct. Gina and Charles debate over who gets the Mother Dough left by Great Nana Boyle after she died and Amy passes the sergeant's exam.
|Andy Samberg||...||Jake Peralta|
|Stephanie Beatriz||...||Rosa Diaz|
|Terry Crews||...||Terry Jeffords|
|Melissa Fumero||...||Amy Santiago|
|Joe Lo Truglio||...||Charles Boyle|
|Andre Braugher||...||Captain Ray Holt|
|Dirk Blocker||...||Michael Hitchcock|
|Joel McKinnon Miller||...||Norm Scully|
|Seth Carr||...||Young Holt|
|John Franklin||...||Tina Boyle|
|Christopher Gehrman||...||Sam Boyle|
|Carole Gutierrez||...||Beth Nurmenstein|
|Jim Senti||...||Trivia Host|
- Jake mentions that he and Amy conducted their surveillance at 397 Barton Street on January 14, 2014. This appeared in The Bet which originally aired on the same date.
- Amy's only friend Kylie appears for the first time, after being mentioned several times in earlier episodes.