iCarly (2007): Season 3, Episode 13

3 - 13: iFix a Pop Star

A billionaire asks Carly, Sam, & Freddie to put on the first live web show from outer space. So, they're able to undergo tests for space travel, competing against the web show called "Exercise Rocks." While Carly gets Sam and Freddie to stop fighting, she ends up flipping out, and finds a hammer and breaks the glass breaking out of the simulation room. During Then, Spencer is bothered by a mysterious little girl who follows him through the whole apartment. And in the end, the little girl does the same with Carly, but only exits.