After Christine and Barb lose their gym, they decide to turn their building into a day spa.

Ned, Chuck, and Emerson finally meet their match when three rival Norwegian detectives start to get in their way.

Making music and weed-whacking. Trap-testing Rev. Tommy Gunn and with high-flying Cirque du Soleil

Gary decides to create a new bond with his son after seeing Krandall getting on so well with Tom.

Making music and weed-whacking. Trap-testing Rev. Tommy Gunn and with high-flying Cirque du Soleil

The BAU is called to assist local law enforcement in investigating a serial killer who murders luxury car owners as they drive along Southern California freeways. The case is complicated because the heinous acts are random and unsub's description is very generic. Meanwhile, JJ brings her new baby to BAU headquarters to introduce him to the team.

Tyra is desperate and once again turns to Landry. Coach and Tami learn of a change that could dismantle the Panthers team. Tim sees another side of Lyla. Matt flips out when Grandma suffers an accident. Tensions escalate between JD and Joe.

Malik's buddy Kevin gets intimate with a promiscuous girl who happens to be the source of a syphilis outbreak. Malik subsequently seeks counsel from CJ, leading to a misunderstanding. Meanwhile, Miranda pressures Calvin to be more thoughtful toward her in their married life.

It's a culture clash and a culinary conflict when the Paynes have dinner at the Hernandez home. At the barbershop, Dana's falsehoods come back to haunt her.

Meg return's home and notices that Violet and Pete seem a little to close than when she left; Kevin has questions about where him and Addison are headed; Cooper treats a boy with a mysterious past; and Pacific Wellcare continues to steal business away from Oceanside Wellness.

Adam heads to Austin, TX where he samples super-sized doughnuts and authentic Hill Country barbecue. Then, he participates in a contest of creating breakfast tacos.

The team works to find out why Isabella Valentine died at a drinking party.

The Darlings deal with the aftermath of Chase's shooting spree at Patrick's inauguration.

The team investigates the murder of three Russians that are linked to the Russian mobster Roman Nevikov and Crews also thinks that he is linked to his own case. Meanwhile, Crews shoots an intruder who turns out to be someone he knows and Reese falls back into old habits.

The chefs cater a holiday cocktail party for Natasha Richardson, and Martha Stewart drops by for the QuickFire challenge.

Appearing tonight was comedian Jack Dee, who discusses his show Lead Balloon and Davina McCall who talks about the return of Celebrity Big Brother in January. Razorlight play out the show.