Mark L. Young

Dexter and Debra try to dissuade their boss from pursuing a security guard they believe he has wrongly identified as the Ice Truck Killer. Meanwhile, Dexter's girlfriend receives an unwelcome visit from an associate of her imprisoned husband.

The Ice Truck Killer is finally identified, but something about the suspect doesn't sit right with Dexter, who must also deal with the menacing return of Rita's paroled ex-husband.

Garcia plays a crucial role in a case when she travels to Alaska with the BAU team to investigate the murders of several members of a small town.

Everyone at Thanksgiving dinner has a bad reaction to Colleen's cauliflower dish. Sophia and Tim race to replace Heather's spoiled turkey and Greg and Jen try to choose Lark's godparents.

Valerie produces her own pilot for a reality show that she hopes will get picked up by a cable network, but discovers that her archenemy, Paulie G., has his own series in the works with a plot that sounds all too familiar.

George's routines are beginning to irk Arthur. Brenda slowly plans her relationship with Joe while Keith begins a new job and Diaz has a fling.