Spencer builds a Gummy Bear bedside lamp for Carly on her birthday, but when Gibby goes to set it up for him, it bursts into flames and destroys everything in Carly's bedroom. Later, Gibby's barber grandfather comes to the loft to give Spencer a haircut, despite having poor eyesight.

Sam moves in with Carly after fighting with her mother; Freddie is stalked by a dangerous criminal.

After Carly recruits Spencer to help her prank Sam and Freddie, Spencer can not stop pulling pranks.

To make extra money for tech stuff on iCarly, the gang decide to sell Penny-Tees, the t-shirts that they often wear on the show made by Sokko's sister Penny. They hire a bunch of 4th graders, but disagree on how to work their employees. Meanwhile Spencer dates a woman from Uzbekistan and has a great deal problem communicating with her.

A fan of iCarly wishes to propose to his girlfriend on the show. But at the ceremony she breaks off the relationship because she has a huge crush on Spencer. The gang has to get the happy couple back together before Spencer ends up married. Meanwhile back in Seattle, Gibby tries to get a $5 out of a tree.

Carly, Sam and Freddie accidentally start a fan war between 2 factions of fans: those that want Carly and Freddie together and those that want Sam and Freddie together. Meanwhile Spencer meets his online nemesis: Aspartamy.

A cute boy is hired by Carly and Sam as an intern for the webshow.

Nevel's imaged is ruined after a video of him berating a child goes viral, so he asks Carly and the gang for help in restoring his reputation.

Leading up to the school's annual 'Lock-in' Carly and Freddie notice Sam wanting to hangout more with Freddie and their new intern Brad. During the lock in they come to the conclusion that she's in love with Brad,and try to set them up together alone. Meanwhile, Spencer participates in Carly and Gibby's project, where he's locked in a tank and his responses to various negative stimuli is noted.

Carly and Tori find out they've been dating the same young man and set out for revenge.