Carly's show's 50th airing is coming up but Sam gets detention. Carly and Freddie do bad things to get in detention to shoot the show from there. Meanwhile, Spencer drops his phone into a large coffee cup built by him

Carly's grandfather comes for a visit and is appalled by Spencer's unusual behavior, so he questions Spencer's ability to be in charge. Carly must convince him that Spencer is capable of being her guardian.

It's Carly and Sam versus Freddie and Spencer in the ultimate competition to see who can attract more viewers to the show. Things go crazy when they carry out their plans.

Carly, Freddie and Sam want to get into the world record book so they decide to try and beat the record for longest ongoing webcast. Meanwhile, Spencer builds an enormous sculpture.

Freddie's in need of some guy time, so he tags along with Spencer to go fencing. Freddie's a natural, but things get complicated when Spencer gets him involved in a match with the amazing Doug Toder. Meanwhile, Carly has to plan a dinner for her weird relatives, the Dorfmans, and with Spencer busy fencing, she might not get much help. Sam reveals that she has never read a real book, and a bet begins between her and Freddie: can Sam finish a book?

Carly's teacher, Ms. Briggs puts her in charge of the school talent show. After Freddie uploads the auditions, hosted by Carly and Sam, to the Internet, it becomes a huge sensation. So Carly and her friends decide to create a weekly variety show.

The Plain White T's are set to perform on iCarly, but Nevel plans to ruin the event by hacking into the site.

Carly gets a B on her history paper and becomes upset because she thinks she deserves better. Sam hacks into the school computer to change the grade and all is fine until Carly has to deal with her guilty conscience.

Carly and Sam have a science project to hatch chicks. When the eggs hatch earlier than expected, they have to search the apartment for the runaway chicks.

Daka Shoes wants iCarly to promote their new shoe, Techfoots. Carly accepts and tells all her viewers to buy the shoe. Unfortunately, the shoes are no good and fans began to complain. The gang has to find a way out of the contract. Meanwhile, Spencer expresses his dislike for public transportation after he falls asleep on a bus and ends up in Canada.

Carly tries to get her web show viewers to take a boy in her school on a date.

Carly, Sam and Freddie want their show to be reviewed. Carly risks receiving a bad review when she insults the annoying eleven year old who runs a popular site that rates web casts.

Carly, Sam and Freddie do their Halloween webcast from an apartment that is rumored to be haunted. When creepy things start happening, the friends worry that the ghost rumors just might be true. Carly's strangely secretive neighbor, Mrs. Halberstadt, adds to their anxiety. Meanwhile, when Spencer forgets to buy candy, he's got a bunch of angry trick-or-treaters on his hands

Lauren Ackerman, Carly's history teacher has become an emotional wreck after her boyfriend dumps her, and she takes her heartache out on everybody in class, including Carly. When Spencer discovers her agony during what passes for a parent-teacher conference, he decides to be her new knight in shining armor and fills the hole in her heart. Though things go smoothly for Spencer, Miss Ackerman, and her class at first, soon Spencer, Carly, Sam, and Freddie find that it's going to take a lot more than just a little loving to keep the teacher happy, and her class safe.

Valerie, a girl from school, shows interest in Freddie, and they become boyfriend and girlfriend. She tries to tear Freddie away from iCarly to film her webcast and tries to recruit Sam, too.

Spencer becomes depressed and uninterested in art after his idol criticizes his work. Carly tries to cheer him up by featuring some of his sculptures on the show.

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.

Carly becomes angry at Sam after she trades the shirt Carly made her for concert tickets. Meanwhile, Spencer invents a contraption to feed his fish

After Jake, Carly's crush, agrees to sing a song on the webcast, Carly gets extremely excited. But, it is soon discovered that Jake is a terrible singer, so Carly asks Freddie to digitally enhance Jake's performance.

The police use the loft as a stakeout to catch movie bootleggers; Spencer is shocked when one of the policemen turn out to be his childhood bully. Meanwhile, Freddie and Sam make a bet and the loser has to get a tattoo of the winner's face.

Freddie, Sam and her webcast, iCarly. Freddie and Sam scheme to make sure that Carly stays. Meanwhile, Spencer builds a mini golf course that becomes popular.

A television programming director realizes that iCarly is funnier than anything his network currently has available for the upcoming fall lineup. Unfortunatley, upon acquiring the show, the network takes it further and further away from Carly's original vision, and exploits and torments Freddie more than Sam and his mother combined.

Carly and Sam get inspiration to dance from dance videos sent by fans of their web show. Carly struts her stuff in a dream with her charming partner.

When Sam's new relationship starts affecting the web show, Carly and Freddie try everything to get Sam and her new boyfriend broken up. But the problem is, they cannot be separated. Meanwhile, Spencer attempts to make a Claymation film.

Carly invites her biggest fan to watch a live taping of iCarly but the girl is so obsessed that they can't get rid of her. Meanwhile, Spencer discovers that his band puts up with him only to use his apartment to rehearse.