The fourth season of the drama series "The Rookie" has premiered on September 26, 2021 on ABC. Episodes can also be viewed the next day on demand and on Hulu. Created by Alexi Hawley, the show stars Nathan Fillion, Alyssa Diaz, Richard T. Jones, Titus Makin Jr., Melissa O'Neil, Eric Winter, Mekia Cox, Harold Perrineau and Shawn Ashmore.
Find out more about the series after the jump.
