Andy finally meets the perfect girl, but things get rough when he lets Jim babysit the woman's daughters, who then end up missing while Andy is having dinner with Emily.
Andi finally learns Sam's secret regarding the Devil after she is captured by a demon and the gang must rescue her. Unfortunately for Sam, the truth causes Andi to fear him and keep her distance. Meanwhile, Ben meets the woman of his dreams while chasing a demon at a hospital's maternity ward, but a major fact keeps them from being together.
The chefs receive their first challenge, create a gourmet pizza. The winning team will head to Santa Barbara for a gourmet meal, while the losers will be sentenced to taking pizza orders during dinner service and then deliver them, at which one contestant is rushed to the hospital after suffering an accident.
An engineer plays a series of mind games with Benson and Stabler.
After a body is found in a sinkhole, the team's investigation into the victim's death leads them to a robbery where the target is keeping a shocking secret.
The accidental excavation of a human hand leads the cold case squad to the cover-up of a major incident.
A woman's car is run off the road and she is killed, but her baby miraculously survives the accident. Booth and Brennan go to the woman's hometown to try to find out who's responsible for running her car off the road. Bones, with help from Booth, takes care of the baby until the team finds out who killed the mother.
Moz is a drug dealer and has very strange clientele who come and go from his flat.
Serena's world descends into chaos when a former friend, the evil Georgina Sparks returns to town. Nate connects with the last person he expected, Vanessa. Blair hatches a plan to sabotage her biggest rival, Nelly Yuki. Meanwhile Serena goes out with Georgina, but things get so bad that Serena thinks someone spiked her non-alcoholic drink. Jenny develops a crush on a dog-walker, Asher Hornsby, who might be her ticket to permanent popularity.
Barney and Marshall have a discussion about "The Bro Code" because Barney has broken it and wants advice.
House copes with a patient whose symptoms conceal a greater problem, but spends much of his time dodging Cuddy's orders to give performance reviews, and fighting with Amber over who gets to spend more time with Wilson.
When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.
Robert fails a drug test but is determined to prove his innocence. Meanwhile, the Hammersley uncovers a smuggling operation by Samaruian rebels which is designed to destabilise the government.
Nathan and Haley throw a birthday party for Jamie. Deb hired a clown, and Haley is not happy with it since it's a creepy one. Lindsey returns to Tree Hill for Jamie's birthday, which gives Lucas hope that the relationship will be rekindled. When Dan arrives, Deb's mood swings fast and in the meantime Brooke and Peyton attend the party with baby Angie.
Allison meets Meghan Doyle, Joe's new business partner. Meanwhile, her old car stops working and Joe surprises her with a nice looking used car. The car ends up being the center of a horrible unsolved crime though.
The girls go out to find a new home. When they find one, the guest list for the housewarming party is subject to more than just one fight.
Alan makes wedding plans for Evelyn and Teddy, while Charlie figures out how to get more acquainted with his future step-sister.