The training officers spend the day in plain clothes and watching how their rookies handle things on The Rookie. "Plain Clothes Day" is the 14th episode of the show's first season.
Sgt. Grey: Your T.O.’s will be out of uniform riding with you in a strictly observational capacity. Captain Andersen: They will not advise, assist, or help you in any way. Every decision will be yours to make. Officer Nolan: Does this mean I finally get to choose where we eat for lunch?
Officer Bishop: Those look like bullet holes. Pilot: What? No, those are bird strikes. Officer Bishop: Oh, let me guess, the elusive brass jacket hollow point.
