The BAU zeroes in on a twisted UnSub in D.C. destroying his victims by spraying and submerging them in acid. Prentiss and Rossi dive into the BAU's history to see how they are connected to Gold Star. They soon discover that the only backup files available belong to the wife of a former BAU member. Prentiss goes to her to uncover the truth. Voit utilizes his lawyer to reach out to Damien and gain footing against the BAU.

The Jokers are bad receptionists and must do and say what the other guys tell them. Then it's a Joker vs Joker challenge with Joey Fatone, followed by Joey Fatone's epic punishment culminated by the Joker's previous punishments.

As the survivalists enter the second week of the competition, new challenges and opportunities arise while they battle to maintain focus. As some participants get raided by unwelcome visitors, one survivalist gets another chance at the shot of a lifetime.

David stumbles into the life of a man planning murder-suicide and the team rush to find him, Sheryl executes her plan to stop baby Timothy from becoming the Antichrist.

Jimmy welcomes kevin Jonas and a musical performance by Phish.

Stephen welcomes journalist John Dickerson and a musical performance by Jessica Pratt.

Hey kids! Did you know your neighbor, uncle, or even Mom and Dad might be trying to destroy America? Find out how to stop them on the Avenue V Christmas Special! If you see something, say something!

Thanks to Wesley Crusher's timely intervention, the cadets find the Protostar - but the ship's marooned guardian isn't eager for their assistance.

Harald and Leif help Romanos lay siege at Syracuse. Canute travels to Rome to meet with the Pope. A new arrival in Jomsborg catches Freydis' eye.

Kim and Kourtney face new chapters of motherhood, while Kris struggles to process her upcoming surgery. The whole family gets together for a photoshoot before Kim heads to New Orleans to meet with Gypsy Rose Blanchard.

The great Food Fight has ended. Food reigns victorious over humanity. They're free to create their own Foodtopia. But not everything is as it seems...

Ben struggles to navigate major life changes when an encounter with a bully leads to a mysterious transformation.

Birdie picks herself up and starts investigating Joe. Through Allan, she discovers his con was never about her, she was a pawn in an even bigger scam. Birdie publishes her article, hoping for closure, but finds she'll now be stuck with Joe forever.

Ted and Amanda investigate Julian's neighbours, cane farmers adjoining Family Tree, and discover that they harbour a bitter grudge against Julian over the death of their son but are they capable of murder?