When Alicia gets a vague tip from a courthouse clerk in the appeal case of a death row inmate, the law firm races to secure a stay of execution. Peter Florrick prepares for his first debate with Glenn Childs and Wendy Scott-Carr.
Lily and Marshall receive shocking news that has a profound impact on the gang. Ted begins his duties as best man for an old friend’s wedding.
The CBI pursues two lines of investigation when a Santa is murdered: Patrick Jane goes undercover in an AA group; and Rigsby and Van Pelt question members of an authentic Santa society. Meanwhile, following the demise of a person in custody at the CBI, J.J. LaRoche is brought in to question the team when it appears to be an inside job.
Abed wakes up in stop-motion animation making him believe that the group must re-discover the true meaning of Christmas. With the help of Professor Duncan, the group explores Abed’s winter wonderland and soon discovers the truth behind Abed’s madness.
When the Fringe Team investigates a case where a victim had his heart extracted, it’s just the beginning of a series of mysterious and reanimating events tied together. Meanwhile, Peter comes to terms with the reality of his relationship with Olivia.
At Luke and Manny’s first school dance, Jay and Phil take them to the mall which turns disastrous, Claire’s is jealous when Gloria joins the school dance committee. Cameron and Mitchell learn about Lily biting other kids at the playground.
While Frankie’s parents Tag and Pat visit for Christmas, Mike is less than thrilled. To make matters worse, the Hecks have a disagreement with them over Frankie’s idea on how to celebrate the holiday without exchanging presents
Carter can’t get into the Christmas spirit especially with the town surrounded by a force-field. Fargo organizes the GD holiday party, and Allison is full of holiday cheer.
As the Warehouse team prepares to celebrate the holidays in snowy South Dakota, Pete and Myka are called upon to hunt down a malevolent Santa Claus. Meanwhile, in time for Hanukkah, Artie and his estranged father, Isadore Weisfelt reunite after 30 years.
Castle and Beckett investigate the murder of a dockworker turned bar owner who’s body is found floating in the East River. In the process of the investigation they uncover a secret buried since the days of Prohibition.