When Tom, Peyton, and Kaz sneak into Castle Mommark to scan some of the geneticist's latest experiments, Peyton accidentally releases the cute little starfish creature Stelgar into the wilds of Perim. Out in the sunlight, Stelgar turns into a giant, rampaging monster. Can Peyton find some way to safely stop Stelgar before Mommark's followers destroy him?
The topic for the next iCarly webcast is figuring out what mean teachers do outside of school. When Carly and Freddie follow Ms. Briggs home, they get stuck inside her house.
Johnny is upset because the holidays that give free candy to the world are spread too far apart, so Johnny decides to start his own holiday, known as Kids Get Free Candy Day, and try to spread free candy. When there are some adult protests against this holiday, Johnny, Dukey, Susan, and Mary gain an unlikely ally against this – the Beekeeper.
Mick finds himself working with Beth again when the search for a mysterious vampire from Josef's past is linked to a drug overdose she is investigating.
After Harper is hired at the sub station, Alex uses magic to help Harper overcome her clumsiness, which eventually backfires on Alex. A whiz kid is upset for losing business when Justin starts a tutorial service.
Coach Taylor returns to Dillon, but it is not an easy homecoming; the team must deal with conflict between Saracen and Smash; Riggins turns to Lyla for help in changing Street's mind about surgery.
Don feels responsible for a life lost. The victim was in the Witness Protection Program, but she wasn't the only one keeping secrets...what is Don hiding?
Cleo is worried when she sees her dad around with another woman. When she arrives at their house, she turns out to be Charlotte's mother! Meanwhile, Rikki and Emma attempt to save the Sertori's dinner with their powers.
Melinda and Professor Payne meet with another college professor who discloses that she had an affair with a student. That student just passed away after an accident.
When Dean Loward finally closes a problem fraternity house, the university uses it for overflow housing, placing four freshmen under the supervision of the former fraternity president and his sometime girl friend.
Taking numbers instead of names, five extraordinary 10-year-olds form a covert team called the Kids Next Door with one dedicated mission: to free all children from the tyrannical rule of adults.
Danny and Mike see a strip-club owner get physical with a stripper; Delinda advocates for better rights for exotic dancers in the city; Piper enlists Sam's help to find a racy video that she does not want people to see.
Coreen asks Vicki to check out a string of murders at a goth club. The victims looked like they had been killed by bugs.
When Katara expresses her disapproval of Toph's new way to make quick cash, the group finds her too motherly and tension grows between Katara and Toph. When Katara finally decides to participate in this scam to disprove Toph's accusations, they are left vulnerable and are forced to face the dire consequences.
In an episode told only through music and singing, Skull Boy decides he needs to find out who he is once and for all.
Kim goes into labor, and J.D. struggles to decide if he should tell her what he really thinks of their relationship. Turk, desperate to do something not baby-related, races to beat a video game before Carla discovers him. And Dr. Cox searches for someone he trusts enough to give his daughter a shot.
Betty and Henry secretly go on a date to see Wicked, but Daniel, thinking that her date is Gio, gives two tickets to Betty and Gio and Gio does not want to give up those tickets. Meanwhile, Daniel gets in a meeting with an advertiser, a woman who has an interest in younger men, namely Daniel.
An office shooting forces a woman to disappear, possibly to hide a deep secret.