The Rookie Season 4, Episode 12 The Knock Crime Drama IMDB 8.4 Country United States Duration 43 min Air Date 2022-01-23 Actors Nathan Fillion (John Nolan) Melissa O'Neil (Lucy Chen) Eric Winter (Tim Bradford) Alyssa Diaz (Angela Lopez) Mekia Cox (Nyla Harper) Richard T. Jones (Wade Grey) Shawn Ashmore (Wesley Evers) Jenna Dewan (Bailey Nune) Tru Valentino (Aaron Thorsen) Overview The team responds to the report of a severed hand washing up on the beach and are on the hunt to find its owner. Meanwhile, Tim attempts to prove he isn’t a control freak to Lucy and invites her on a double date with him and Ashley.