The Dunder Mifflin staff head to Niagara Falls for Jim and Pam's wedding, with the understanding that her pregnancy is a forbidden discussion topic, but Jim's slip of the tongue prods Michael to attempt damage control.
Frank's behavior is more bizarre than usual---so bizarre that even the gang notice---so they decide to stage an intervention.
Nikki quits her job at the Khaki Barn and gets a new job at a cooking store. But she soon finds out that cooking isn't in her blood, due to the fact that she made pumpkin muffins and accidentally put laxatives in them causing her to get fired and get her old job back. Meanwhile, Wyatt starts dating Lacey, a girl who has way too much in common with him and it starts to creep Wyatt out. Also, Jude gets a copy of the game "Rock Maniac" (a direct parody of the real-life Rock Band and Guitar Hero game series) in his store and the gang start their own "Battle of the Rock Maniac Bands" contest.
Jules family and friends crash the 10th date with her new boyfriend, Josh. Ellie and Laurie help Jules realize that it's ok to be selfish once in a while, when Jules has a disastrous experience in bed with Josh. Meanwhile, Jules left Travis with Bobby, who has to be responsible and deal with his son.
Otis is knocked out and wakes believing that he is King Cudenhotep. The only way for him to get back to normal before the farmer comes back is if someone knocks him in the head again, but Otis has beaver guards that prevent others from getting too close to him. When they finally turn Otis back to normal, the farmer see them but get hit on the head believes he is Ben Franklin.
Old Christine finds a suspicious mole on her left breast, and overreacts, thinking shes dying. Meanwhile, Richard tries to negotiate with New Christine regarding their house.
When the city is attacked, the squad investigates, only to find that a little girl named Brinny Bratten, who had a fractal stuck in her tiara, that gives her a large and terrifying power over reality. The Heroes For Hire are helping the Squad find her father, while Doom plans to use the chaos to his advantage.
A slot machine determines the guidelines for the quick-fire challenge; the contestants prepare a special dinner for members of the Macy's Culinary Council.
A gang war looms as Silver Sable, Hammerhead and Doctor Octopus vie for a prize that could change the balance of power in New York City's underworld.
Sixty percent of Americans believe in extra terrestrial life forms and one fourth of the general population thinks that aliens have visited the planet. Spurred by this information and a recent influx of reports made by Chilean locals about aliens, Josh and the team embark upon their first ET investigation. Next, a man made international news with his personal footage of an unidentified animal that appeared to be over 40 feet long, floating in Turkish waters. Locals in the city of Van, a far eastern Turkish location, also claimed to have seen the mysterious beast. The story of the Lake Monster has became such a hot topic of discussion that they've built a statue of the monster and formed their own search teams to look for it. Not wanting to miss out on the excitement, Josh and the crew trek 17 hours to join the mission.
Trying to save her job, Frankie organizes a publicity stunt by filling a car with jelly beans. Meanwhile, Sue fails to make the swim team and realizes that she needs glasses and Brick starts reading his mother's romance novels when he can't check books out of the library.
The BAU investigates a case in Rossi's hometown that involves both his personal and professional life.
Phil pushes Jay to go out with him and fly his new model plane. While Manny takes time out to play with Luke, Gloria accompanies Alex in shopping for a dress. Later on, Manny ends up having a heart-to-heart talk with his sister Claire.
Powerful forces are tormenting Ike. He's freaked out and the stress could kill him. Kyle and the boys are doing everything they can to save him but the poltergeists won't leave Ike alone.
When two bodies are discovered at the North and South ends of the city, Mac and the team deftly begin to navigate the trail of evidence left behind by the killer.
When Lily Milton is reported missing, her boyfriend, Parker Hubbard, points Detectives Benson and Stabler in the direction of Callum Donovan, Lily's downstairs neighbor and convicted bank robber who spent nineteen years in solitary confinement. During the investigation into Donovan's alibi, Lily is found alive, adding a surprising twist to the case and exposing more of Donovan's dark past.
Will decides to give New Directions some competition between them by having the boys go against the girls. Terri becomes the school nurse to check on Will.
Daria and James fell in love, got engaged and bought a house. Two years later they are still not married and they’re spending over 50% of their income on their home. They need an income suite if they ever hope to tie the knot and keep their heads above water.