ICarly

iCarly is an American teen sitcom created by Dan Schneider that ran on Nickelodeon

Why it was Cancelled
Despite the franchise being popular, Miranda Cosgrove (Carly Shay) had to leave for college.

Trivia

 * In December 2020, a revival of the series was ordered by Paramount+ and has Miranda Cosgrove, Nathan Kress, and Jerry Trainor returning
 * Jennette McCurdy struggled with a eating disorder that began when she was 11 and continued throughout her time on iCarly.