On iCarly, Sam's tooth falls out, leading Carly to take Sam to the dentist. When the doctor gives Sam laughing gas, Sam accidentally reveals that she and Freddie shared a secret kiss with each other. Carly gets angry because friends aren't supposed to keep secrets, but in the end she is OK with it. Meanwhile, Spencer teaches an art class in a prison, he and the prisoners build a big pair of pants that two prisoners hide in and jump out in Carly's house and tape Carly Sam and Freddie to three chairs after Freddie threatens to call the Police.

When Carly, Sam, and Freddie defeat a famous TV chef in a cooking challenge, the chef gives up cooking, quits his show, and refuses to come out of his bedroom. Spencer tries to make his vision of the future a reality.

When Carly has trouble finding a date to a dance, Sam asks for Seattle-area boys to apply to be her date. When the gang is overwhelmed by the amount of boys who show up, they hold a speed-dating session. Meanwhile, Carly convinces Sam to ask Gibby to the dance since no one else did, but Sam becomes enraged when Gibby turns her down. Carly finally finds a boy, whom after the dance, she dumps for being so talkative. In the end, Carly and Freddie share a dance together at the Groovy Smoothie, which Sam walks in on. Upon seeing them, she silently leaves.

Carly, Sam and Freddie present iCarly awards for best user-generated content; Spencer enlists the help of European swimsuit models to make statuettes.

Principal Franklin is fired after appearing as a guest on iCarly; Spencer hires a rodeo star to teach him how to ride a mechanical bull.

After a prank on Lewbert Sam loses her phone in his office, when her and Freddie get it back Sam steals a personal box from Lewbert’s office. Sam, Freddie and Carly look through it, only to find some interesting stuff about Lewbert, biggest him having had a girlfriend. Getting an Idea they set out to reunite him with her so he can be happy and leave them alone, only to find out Lewbert doesn’t exactly “like” her. Meanwhile after a rash of robberies Ms. Benson signs Spencer up to a watch group with a little pest from his past.

After Mrs. Benson pushes Freddie too far by making Freddie eat asparagus while doing iCarly, showing people at school his baby pictures, and vacuuming his ear while he was sleeping, Freddie gets upset, moves out and gets his own apartment on the top floor of Bushwell Plaza. In the meanwhile, Carly, Sam, and Freddie start a pet photography business, only to see their studio destroyed by a snooty competing pet photography business owners Stewart Butler and Ollie Paisley. In the end, Marissa realizes she needs Freddie, begging him to return; Freddie makes her promise not to embarrass him in public ever again.

Carly and Sam agree to help up and coming comedians Fleck and Dave make a contest-winning video, but when the two comedians fight and choose to end their friendship, Carly and Sam feel responsible. They try to patch things up between the two, only to find the problems ring familiar. Carly and Sam take sides and begin to fight.

After arguing, Sam and Carly decide to end iCarly for good. Meanwhile, Spencer gets obsessed with winning a boat only to find out he has no place to put it.

Carly, unaware of an oncoming taco truck, is pushed aside by Freddie, who subsequently gets hit. Carly, grateful to Freddie for saving her life, develops an attraction towards him. However, Freddie thinks that this attraction stems from his actions, and not himself, so the two break up but agree that if the whole "hero" thing wears off that if Carly still feels attracted to him they'll try the relationship again. Meanwhile, Sam and Spencer engage in an intense game of assassin.

Sam admits she was a pageant girl after she stormed off the iCarly set. Desperate to defeat her rival she gets Carly to enter the pageant for her, only to take her place later. Meanwhile, Spencer and Freddie double date, however, the date goes bad when the two get caught up in a board game.

Freddie feels the wrath of Gibby when he is caught getting too close to Gibby's girlfriend. Elsewhere, reports of Spencer's death are greatly exaggerated, but thanks to this newspaper error, Spencer sees a spike in sales of his artwork.

An eccentric billionaire asks the iCarly gang to perform a web show from outer space; Spencer is visited by a mysterious little girl.

Carly and her pals try to help a former pop star make a comeback video, but the task proves challenging when they realize the ex-star is all washed up. Elsewhere, Spencer is surprised to learn the new woman he's been dating is Gibby's mother.

The cast introduces bloopers and outtakes from the series.

After Sam ends up in jail, Carly and Freddie vow not to cancel the next webshow.

Carly and the gang try to prove that there is a Bigfoot somewhere out there.

Carly, Sam and Freddie try to cheer up a lonely fan named Nora on her birthday. Gibby does home repairs for Spencer in exchange for setting up a camp in the loft.

After being kidnapped in Nora's basement, Carly, Sam, and Freddie soon learn that escaping from crazy girl’s house is harder than they thought.

Spencer comes to the rescue when a heat wave hits Seattle and the power goes out.