Howard's wedding plans are put in peril when the guys throw him a bachelor party; Bernadette reconsiders marrying Howard after learning about his history.
Phoebe is discovered by a record producer who wants to make "Smelly Cat" a video; Joey considers moving back in with Chandler, but Chandler has a new roommate.
Creeped out by his bizarre new roommate, Chandler demands he move out; a new book on female empowerment inspires the ladies to have a "goddess meeting."
Haley struggles to choose between her past and present relationships; Manny returns to school while his girlfriend continues to stay with Jay and Gloria.
When Phil finds out that his real-estate class will be cancelled if any additional students drop the course, he tries to keep a particular student from leaving.
Haley needs some motherly advice from Claire as she thinks about her future with Dylan and her career; Mitch encounters Phil's nemesis at an unlikely place.
Calvin organizes a yard sale at Dave's recommendation and later regrets it when a longtime neighborhood resident purchases a valuable item he plans to retrieve.
Mr. Krabs searches for enough food to feed Pearl, who is experiencing a rapid growth spurt; Plankton disguises himself as Sandy and infiltrates the Krusty Krab.
Mayor Humdinger steals Francois' water-walking shoes and is trapped in a turtle nest; a long-lost letter inspires Ms. Marjorie to visit an old surfing buddy.
A digging machine goes out-of-control and takes Uncle Otis on a wild ride; Digi and Tal try to help Mayor Humdinger but leave the Mayor covered in jam.
Rubble & Crew use a complication to make Sierra Sparkle's big concert stage sparkle; Grocer Gabriel wants something special built outside of his grocery store.
Marshall's new pet frog is taken off by Skye's helicopter before his jumping contest; an alien spaceship crashes at Yumi's and requires help from the patrol.
Max gets some guidance from a farm dog as he tries to protect a toddler, who is the newest member of his family, and Snowball goes on a dangerous mission.
Phoebe's world view is shattered when she learns how "Old Yeller" really ends; Monica becomes jealous when Richard begins going out with Joey and Chandler.
Chandler and Ross run into two bullies at the coffee shop; Monica is forced to get a job at a 50's theme restaurant after losing her cash in the stock market.
Phoebe catches chicken pox just as her old flame arrives in town on leave from the Navy; Joey gets a job at Chandler's office but decides to play it as a role.
Monica uses her free time after breaking up with Richard to make jam and considers insemination through a sperm bank; Phoebe dates a man who stalks her twin.
When Howard and Bernadette decide to finally get married before his NASA launch, the gang all works together to put on a decent wedding for the couple.
Raj must deal with potential loneliness with his friends being out on dates; Howard is caught in the middle of an argument between his mother and Bernadette.
Sheldon must find a way to keep a secret under wraps when he discovers that Penny is thinking about breaking up with Leonard, so he tries to intervene.
Janice questions the group as to whether any of them have ever slept together in the past, leading the collective of companions to reflect upon a period of time
Phil and Claire choose to go on a cycling tour through Italy before they become grandparents; Cameron and Mitchell confront Lily about some reading material.
Gemma faces the unexpected aftermath of her decision to fire one of the school's teachers; Calvin and his newspaper carrier get caught in a heated exchange.
Dave is stunned by Calvin's idea of camping when the two families go on a camping trip; Gemma and Tina meet a deceptively nice general store proprietor.