The Rookie 3x14 "Threshold" Season 3 Episode 14 Promo (Season Finale) - Officer Nolan mildly injures himself while chasing down a shoplifter and the local DA wants to charge the suspect with assault despite Nolan’s wishes. Meanwhile, Lucy goes undercover, Lopez’ wedding venue is seized by the FBI and Nolan meets his new neighbor on the season finale of “The Rookie,” Sunday, May 16th on ABC. Episodes can also be viewed the next day on demand and on Hulu.