When does Unfabulous return?

Unfabulous is an American teen sitcom that aired on Nickelodeon on September 12, 2004. The series is about an "unfabulous" middle schooler named Addie Singer, played by Emma Roberts. Most of the episodes are narrated by Addie, and are told in flashbacks. The show's theme song is performed by Jill Sobule, who also wrote the songs performed throughout the show.