To give you a brief background:
iCarly is an American Teen Sitcom that focuses on the life of a girl named Carly Shay who decides to start a web show name iCarly, together with her close buddies Sam and Freddie. The show stars Miranda Cosgrove as Carly, Jenette McCurdy as Sam, Nathan Kress as Freddie, and many teen actors/actress that contributes to the fun and interest to its many viewers.
