Sadie's idea for Val's After School Special production rubs Jenna the wrong way.

Jenna's family and friends decide that it's time to show her some tough love.

Steve's childhood hero, Flamey the Bear, comes to Brickleberry for the re-opening of the forest.

When Sal's Pizza burns down and the fire marshal quickly assumes that the owner is the prime suspect in the investigation, Jake does everything in his power to prove him wrong, even if it means stepping out of his jurisdiction. Meanwhile back at the precinct, chaos ensues when a computer virus publishes everyone's browser history.

When a tanker collides into a commuter train that subsequently crashes into a warehouse, the firehouse is called to the horrific scene that tests everyone to the limits as life and death hangs in the balance. With the ultimatum in place for him or the firehouse, Boden is tasked with making life-changing decisions regarding his future. Severide learns more about Katie, the young woman he saw with his father. Meanwhile, Shay and Dawson are still at odds and Casey’s responsibility of being a surrogate father takes a sharp turn.

Author and jounalist Anderson Cooper; from "Modern Family", actor Jesse Tyler Ferguson; musical guests The Neighbourhood.

Frank and the PST agent travel to Oslo to visit Tommy in prison and ask for his help in recovering personal information. The new sheriff who knows the agent spots them together and it gets her attention. While Johnny is away, Jan gets caught with a lady by Randi who picks up her old habits. Torgeir and Roar wake up to a visit from their mother and her new man causing friction between the two brothers. Frank returns to The Flamingo and is somewhat surprised by the events that took place in his absence. The gang and a few new faces track down what Frank has been looking for but discover that is is not easily attainable.

In the aftermath of the events chronicled in the film "Thor: The Dark World", Coulson and his team pick up the pieces - one of which threatens to destroy them.

After discovering the Secretary of the Navy was bugged during a confidential briefing, NSA Analyst Eleanor "Ellie" Bishop, who predicted the security breach in exact detail two years ago, partners with the NCIS team on the case.

Kensi goes undercover as a nutritionist and Deeks poses as a new patient at a rehab center to investigate the death of a Navy officer.

Jess is tasked with keeping a frantic Schmidt occupied inside the loft, as Coach and Cece go out on a first date. Meanwhile, Nick and Winston meet a frisky bus driver as they search for a missing Furguson.

The battle to bring a crime organization to justice reaches a new level; Reese's number comes up in the machine.

Tension mounts as the club makes a bold move to finally get out of guns.

Dean gets a call from an old friend named Sonny asking for help with a ghost. Sonny runs a home for delinquent boys, and Dean was sent there for stealing food when he was younger. Sam is stunned he never knew this about his brother and asks for more information, but Dean dodges his questions. Another murder occurs while Sam and Dean are at the house, so they scramble to find the culprit before anyone else dies. Meanwhile, Dean looks up an old girlfriend and recalls his time at the house.

It's a busy week at "The Biggest Loser" ranch, which kicks off with a fun bouncing ball challenge that will award members of the winning team a welcome cash prize. All of the contestant take an emotional walk down memory lane watching their casting audition videos, reminding them why they are at the ranch -- and how far they've come in just six weeks. Ruben and Dolvett visit music icon and 16-time Grammy Award winner David Foster at his home, where Ruben isn't the only one stepping up to the microphone. And the show's most recent "Biggest Loser" winner, Danni Allen, stops by for lunch and a pep talk with the contestants. Then it's time for another tense weigh-in, where one more contestant will face elimination.

Wal-Mart hosts a food drive for its own employees, Robert Reich argues for better income equality, and Rick Santorum discusses his movie, "The Christmas Candle".

Comedienne Margaret Cho; model Elettra Weidemann.

One of Danny's patients is a mommy blogger, so he invites her to write about Schulman & Associates on her website, only to find out that she is actually a white supremacist and paints the practice in a racist light. Desperate to control the situation, the team hires PR guru Priscilla, who begins to give Danny media training but ends up seducing him.

The voting results are revealed for the Top 8.