The Janitor's Closet is a room at Hollywood Arts that appears in numerous episodes, normally when the students need to talk privately. It is known that the Cranky Janitor sleeps there. Another janitor, Luther the Janitor, keeps his equipment there.
In Jade Dumps Beck, Jade starts crying and drags Tori into the closet to try and make a plan to help her get back together with Beck. The cranky janitor was in the corner sleeping until the girls came in.
In The Great Ping Pong Scam, Tori pulls Sinjin inside, so she can tell him to make something for her to hide in when she's spying on the Ping Pong team.
In Cat's New Boyfriend, Tori drags Cat in the closet to try and make up with her. In the end, Cat punches Tori in the nose.
In Wok Star, Jade hides here when she is upset about her play and cuts a trash can up. Later, Jade drags Tori in to confess that she wants to please her dad with her play.
In The Breakfast Bunch, Mr. Dickers locks Tori in the closet because she sneaked out of detention. However, she escapes through a clearly marked "secret passageway to the library".
In The Worst Couple, Jade and Beck get in a fight in here, and Cat joins them and faints due to their fight.
In April Fools Blank, Sikowitz tells Jade to go to the Janitor's closet which Jade, Sikowitz, and Tori enter but because of the nature of this episode it leads to the set of iCarly and then to the set of a game show Match Play.