"Chain Reaction" - Monday, Dec. 22, at 9 p.m. (ET/PT) - TV-14-DLSV
Santa finds himself on the naughty list after robbing a bank, but a Santa flash mob complicates his apprehension and the Major Crimes unit scrambles to figure out how things went so wrong. Sharon's kids (guest stars Zarah Mahler & Ryan Kennedy) come to town for the holidays while Buzz starts training as a back-up police officer. Lilli Birdsell, Annie Abrams, Carter Hastings and Dawnn Lewis guest star.
Directed by David McWhirter
Written by Kendall Sherwood
Created by James Duff