Sparks fly when Joe discovers Gord has taken a job with a rival airline after completing expensive training on one of the Buffalo planes. Larry, a rookie rampie, makes a near fatal error while training on the C-. A desperate search is launched for elusive C- parts.
Violet learns about the rules of the house. The truth about Larry's condition is explained. Constance is interrogated by the police.
The BAU team looks into the real reasons behind an apparent mass suicide of a small group of youths at a military academy. Also, Hotch and Morgan butt heads when a team member could be in jeopardy.
Dr. Toth confronts Parker with devastating news Team One responds to a break-in at a bio-lab across town.
Audrey is the only one who realizes that there are Christmas decorations in July that no one else finds unusual. The out-of-season decorations are only a prelude to the bizarre bisection of a surfer and a series of escalating disappearances of people who no one can remember except Audrey.
After being encouraged to be more of a daredevil by Burt, Jimmy jumps at the chance of showing off his bolder side at a party at Frank's house. Frank and Jimmy realize they have shared a common high school bully, and when they try to take him down, they realize their old bully has changed.
Pete Lattimer is hit in the head by an artifact and wakes up to a life where he was never born. Pete must hunt down and persuade the Warehouse team none of whom recognize him to go on this life or death mission with him to vanquish a long dead nemesis from the past to get everyones lives back.
When Jess decides to take her relationship with Paul to the next level, she consults with the guys for some sex advice. Meanwhile, Schmidt worms his way into his boss' baby shower to compete with his office female counterpart.
Becky and Steve are late for the cinema and keep getting delayed. They lock themselves out, Steve can't find his phone and they get sidelined by Laura and Paul, who have just returned from a Spanish holiday.
The quaint town of geniuses is transformed into animated versions of themselves. Sheriff Carter and Allison Blake are secretly planning the perfect holiday surprise for their kids. But a mysterious kaleidoscopic wave of color crashes over Eureka, leaving the entire town and its inhabitants animated.
Mike's Christmas spirit gets dampened when Ryan, the father of Kristen's baby, unexpectedly comes back to town after a long absence. Meanwhile, Ed hires Mandy as an elf at Outdoor Man, where she tries to unionize the other elves to get better perks.
Erin goes to the Van Helsings to find out about the super weapon, but to prove herself she must kill a vampire - her brother, Ryan.
Richard sees the dark side of show business when a comeback concert ends in the most public of murders. If sun, sea and sand were not bad enough, he now has to conquer his fear of snakes to find the elusive killer.
Will hopes that adopting a baby chick for little Lucy will be a teachable moment about where food comes from, but things get out of hand when all of the guys decide they want to adopt chicks too Craig dates an attractive doctor, but finds himself intimidated by her bully of a son.
Annie and Danielle's vacation in Stockholm turns dangerous when Danielle is mistaken for a spy, putting her life in danger.
When a recent lottery winner is found brutally murdered, everyone becomes a suspect.
In an attempt to recruit a few more members, Finn tracks down former teammate Sam Evans and convinces him to come back to the glee club. Tina comes to the defense of Harry and encourages him to pursue his dream while McKinley prepares to host the big sectionals performance.
The buyers invade the quiet town of Simi Valley, CA. Darrell and Brandon smoke the competition. Jarrod and Brandi find some safes, "release the Kraken," and walk away with literally a pirate's booty. Dave Hester again breaks down the competition but in the end it's his heart that is left broken. And Barry Weiss rides in on a vintage motorcycle, but will he drive off into the sunset the big winner... or with an empty backpack?