When does Doug return?

Doug is an American animated sitcom created by Jim Jinkins and produced by Jumbo Pictures. It originally aired on Nickelodeon from August 11, 1991, to January 2, 1994, and on ABC from September 7, 1996, to June 26, 1999. The show focuses on the early adolescent life and zany hijinks of its title character, Douglas "Doug" Funnie, who experiences common predicaments while attending school in his new hometown of Bluffington. Doug narrates each story in his journal and the show incorporates many imagination sequences.
Bluffington is in the United States but not in any specific U.S. state. The series revolves around Doug Funnie, an 11-year-old boy who wants to be another face in the crowd. He keeps a journal, which he treats as an autobiography, as he records numerous experiences over the series.