Rich Skidmore

The serial killer resurfaces after 20 years of silence and contacts the Behavioral Analysis Unit with the promise that he will kill another victim in the next five days. As the team springs into action, Gideon enlists the help of a former colleague who worked the case when it was fresh to help find the killer.

Russell begins to investigate the strange goings on and unwittingly begins a fight for the survival of his family, his community, and what might ultimately be the human race.

Shore represents a childhood friend, Paul Stewart, who’s accused of bludgeoning his mistress to death.

When Pam, the McCarthys' upstairs tenant, is heartbroken over a recent breakup, Marjorie invites her to celebrate Christmas with the family and watch them play their extremely competitive annual gift exchange game. Alyson Hannigan and Gilles Marini guest star.

The McCarthy family is reluctant to celebrate Gerard and Katrina's engagement, but when Gerard gets on the wrong Boston Harbor Cruise ship, Marjorie is forced to bond with her soon-to-be daughter-in-law. Meanwhile, Sean hits it off with Katrina's mother, and Arthur judges Jackie for how her baby was conceived. Jean Smart guest stars as Lydia, Katrina's mother.