SpongeBob and Patrick organize a party in the Treedome to welcome Sandy, who is returning from Texas. However, unknown to her, Sandy has carried back fleas.
After Patrick accidentally takes SpongeBob's donut, he is wracked with guilt over his action.
A devastating fire has a profound effect on the crew; Tommy wrestles with his feelings about the baby; Alicia (Susan Sarandon) returns with a proposition for Franco; Troy breaks up with Sheila while Lou makes a tough decision about Theresa; and Sean apologizes to Mike about the fire he set that burned down Mike's mother's house.
SpongeBob, Patrick, and Squidward enter a dance contest, but when Squidward fails to proceed to the finals, he decides to coach SpongeBob to win the trophy.
Squidward invents a Krabby Patty-making machine to try to make SpongeBob lose his job. SpongeBob will not go down without a fight, so he competes against it.
Carter suffers a blow to the head, and after arguing with Zoe, he suddenly finds himself in a parallel Eureka, where the residents seem to be mysteriously vanishing.
Ellen convinces Katie to testify against Arthur Frobisher, which has him considering drastic measures. Patty begins to question if Katie is giving honest and accurate testimony.
While Rosemary and Laura are helping to do up a garden for a Spanish tennis camp that is holding a tournament, in which Laura's son is taking part, tragedy strikes when the body of one of the Pro-Am tournament players is discovered. Although the player is thought to have died in a drunken accident, the gardeners soon find evidence that they were murdered, especially when the player's wife is killed in an accident intended for someone else. The pair soon realise that something is not right within the tennis camp...
Bill is stressed out by work, and Frank tries to get a hold of Lois' money. Meanwhile, the family discovers Ben and Brynn's secret.
When Mr Krabs' old fry cook pays a special visit to the Krusty Krab, SpongeBob is in awe of his predecessor, who has since become a world renowned chef.
Rosie's Diner (Rockford, Mich.) • The Russian River Pub (Forestville, Calif.) • Al's Breakfast (Minneapolis, Minn.) • Dari-ette Drive-In (St. Paul, Minn.) This trip, Guy's enjoyin' good ole American cookin' at places that are time-tested and community-driven.
After SpongeBob reads a scary book before bedtime, he sees scary creatures in the dark.
When two Catorce gang members are shot to death, Brenda and her squad must solve the murders before a gang war erupts. Meanwhile, Brenda has her own personal health scare when she finally visits the doctor.
Kyle's visions offer the Tragers solace after Stephen's father suffers a stroke and falls into a coma. Meanwhile, Jessi's lack of progress at therapy dismays Emily.
Grace and her team investigate the murder of an oilman. Meanwhile, Ham discovers Grace's romantic past with Butch Stillwater, which puts a strain on their relationship. Grace sets out to prove her courage by challenging Earl to a wrestling match.
When Hannah gets an extra ticket to a celebrity tennis tournament, Lilly and Oliver battle for the ticket. Who will win out?
Sarah must take unexpected actions to save Johnny's life after he goes into a coma.
What starts out as a good joke on Howard gets a life of its own when Truly invents a ghost story that involves a local wooden area.
Cory manages to get Vince Valentine, a music executive, to come to the Liberry to watch DC3. Thinking they need to sound as good as they can, Cory decides to hold auditions for a keyboard player. At the end of the auditions, only Stickler is good enough to join the band, which everyone detests at first. After they let him join, he gives them bracelets as a thank you. However, Cory's is a special bracelet that sucks out all of his rhythm! Since Cory can no longer play the drums, Meena and Newt ask him not to go to the performance so they have a chance of getting a record deal. It turns out that this is all a plan by Stickler, for him to become famous instead of Cory!