Sheldon clashes with his nemesis Kripke at work when an office at the university opens up; a gift from Amy makes Penny feel uncomfortable with the gesture.
Dede's unexpected appearance makes Mitchell and Cam realize the effect that she has on their lives; Luke, Phil, Haley and Alex all have bad news for Claire.
Haley meets Arvin's parents; as Jay, Mitchell and Claire compete to get time from Jay's sister, Phil, Gloria and Cam get trapped in the home's basement.
Haley seeks some advice from Mitch and Cam about whether she should tell Arvin about her kiss with Dylan; Gloria suspects that Manny's girlfriend is made up.
Dave and Gemma work on an elaborate plan to celebrate Grover's seventh birthday; the gift Calvin chose to purchase causes one person to be sent to the hospital.
Spongebob and Patrick have to keep the job clean when they are hired to paint Mr. Krabs house; Krusty Krab produces a training video for future employees.
Rubble & Crew must finish building the school in time; the pups need to save Farmer Zoe's crops and to keep Crunchy the beaver from taking all the water.
A windy day derails construction on an ice cream shop; there's a mysterious squeak in City Hall, so Mayor Greatway asks Rubble and Charger to fix the squeak.
Rubble & Crew builds the first train station in Builder Cove, just in time to welcome Farmer Zoe's new cow; popstar Sierra Sparkle is moving to Builder Cove.
Members of a spooky and mysterious family begin preparing for a visit from their even creepier relatives, but trouble starts to brew with a TV personality.
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.
Monica gets together with Fun Bobby, but discovers that when he's not drinking, he's not so fun; Joey wins the role of Dr. Drake Ramoray on "Days of Our Lives."
After getting his big break, Joey pays Chandler back; Monica and Rachel's prom video reveals Ross' feelings for Rachel, as well as Monica's former girth.
After having a fight with Chandler, Joey decides to move out; Rachel and Phoebe decide to get tattoos; Monica's father disapproves of her dating Richard.
Penny decides to buy Leonard and Sheldon "Star Trek" collectibles as a friendly gesture, but Sheldon accidentally breaks Leonard's Mr. Spock; Raj's future wife.
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.