Mike first goes to the Chimney Safety Institute of America in Plainfield, IN and learns how to be a certified chimney sweeper. Mike then goes to Ontario, Canada to salvage underwater logs, which are then used to make furniture. Finally, Mike visits a scrap metal recycler in St. Louis, MO and learns how to separate different metals and operate some big machines.
To teach Jim the value of communication, Cheryl doesn't speak to him for three days.
When Michael and Jan try to nail down a potential new client, Christian, by taking him out to Chili's, Michael surprises everyone with what - or who - he does. Meanwhile, back at the office, Jim finds a semi-autobiographical script that Michael has written called Threat Level: Midnight, and he, Pam, Kevin, and the rest of the Dunder-Mifflin workers have a great time acting it out. Later that night, Pam and Jim share their first unofficial date, complete with dinner (a sandwich), candlelight, and Dwight's pathetic fireworks display.
After a construction worker is killed by insects burrowing into his brain, Sam and Dean investigate the town's history and find that the new housing development is being built on sacred Indian land. The Indians put a curse on the land after their reservation had been ravished and destroyed. Sam and Dean must find a way to survive and kill the deadly swarm of bees, locusts, spiders and beetles.
Booth asks Brennan to help locate and identify the remains of a six-year-old boy, Charlie, who went missing from a local park.
Lies between a father and son may prevent House and his team from saving their patient.
When her former boyfriend visits and reveals an amazing success, Rory begins rethinking the choices she's made with her life.
When bodies of two hired assassins are delivered to the NCIS team, Ziva and Tony go undercover assuming the victim's identities in order to find the person who hired the assassins for their mission. Gibbs discovers that his team are not the only ones working on the case.
To prove he's a man to Rita, Michael and his nephew Steve Holt compete in the Church And State Fair's annual triathlon. George Sr. tries to scare some at-risk youth, and Tobias tries to help George-Michael's girlfriend Ann to compete in the fairs' "inner beauty" pageant.
Michael must deal with a huge mole problem in order to salvage a major real estate deal with Japanese investors. In an effort to help Michael, Gob and Buster team up with George Sr.'s surrogate, Larry, to devise a plan and save the deal, but their plan falls apart in a big way. Meanwhile, Tobias mistakes a CIA agent for a CAA agent and inadvertently betrays the family, and Michael makes Rita a proposal she can't refuse. Frankie Muniz makes a cameo as himself.
When a matchmaker with a 100% success rate turns Ted away because he is not compatible with any of the available women in her database, he is still determined that he is going to find his match. After getting information from the matchmaker’s computer, Ted pays a visit to a very cute, but taken, dermatologist in an effort to prove the prediction wrong that there are no women out there for him. Meanwhile, Marshall and Lily are obsessed with ridding their apartment of a critter.
Lydia and Regina are forced into a cooking class together and Lydia gets friendly with the Chef. Crystal misunderstands a simple gesture by Stewart so he asks Ben and Oliver for advice.
Charlie wakes up with Rose the morning after her birthday party. Her irate father comes to ask Charlie about what the future holds for him and Rose, but the unexpected happens when Evelyn shows up.
Joe serves his jury duty on a case against a man accused of murdering his rich wife. Allison starts having visions about the man but D.A. Devalos orders her not to work on the case because of a conflict of interests.
Michael is forced to give up Fibonacci's location to Philly Falzone, and Kellerman and Hale get a little unwanted help to track down LJ who has gone missing. Veronica and Nick uncover evidence against the man Lincoln was convicted of murdering.
A convicted serial killer escapes after sabotaging an airplane that was flying him from New York to Miami, where he allegedly buried a body. After fleeing the crash site, the man goes on a killing spree and abducts a college student. Mac Taylor arrives to help Horatio track the killer since Mac originally arrested the man in New York. The crossover concludes on CSI: New York S02E07 Manhattan Manhunt (II).
Mona goes against her initial instincts and decides to attend her ten-year high school reunion, where her professional accomplishments cannot protect her from the cruel comments of a pair of former cheerleaders. She perks up after a successful classmate takes an interest in her. Meanwhile, things do not go as planned for Spencer when he meets his on-line sweetheart in person; and Adam tries to get rich by stealing company supplies and selling them on the Internet.
A sportscaster becomes a full-time dad when his ex-wife decides to accept a job out of the country and his teenage daughter, Breanna, moves in with him.