The Rookie Season 2, Episode 13, "Follow-Up Day" (originally aired March 8, 2020), follows the patrol officers as they revisit cold cases while introducing Pete Davidson as John Nolan's brother. The episode, directed by Liz Friedlander, also features key developments in the careers of officers Bradford and Chen. Watch the episode on Paramount+ . The Rookie Season 2 Episode 13 Recap: Follow-Up Day