The Rookie 4x13 "Fight or Flight" Season 4 Episode 13 Promo Trailer HD - Officers John Nolan and Lucy Chen must fulfill three quests if they want to get a stolen police helicopter back safely from a teenage thief. Meanwhile, Officer Nyla Harper and Aaron Thorson must guard a convicted cop killer in the hospital following a prison riot on an all-new episode of “The Rookie,” Sunday, January 30th on ABC. Watch episodes on demand and on Hulu the day following their premieres. br br Starring: Nathan Fillion, Melissa O’Neil, Richard T.