The Rookie Season 4 Episode 13 – Fight or Flight – 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 – Stream The Rookie Season 4 Episode 13 Online for Free – Watch The Rookie Season 4 Full Episode 13 Free – OnionPlay Official