Blondie (comic strip) was adapted into a long-running series of 28 low-budget theatrical B-features, produced by Columbia Pictures. Beginning with "Blondie" in 1938, the series lasted 12 years, through "Beware of Blondie" (1950). The two major roles were Penny Singleton as Blondie and Arthur Lake (whose first starring role was another comic strip character, Harold Teen) as Dagwood. Faithfulness to the comic strip was a major concern of the creators of the series. Little touches were added that were iconic to the strip, like the appearance of Dagwood's famous sandwiches—and the running gag of Dagwood colliding with the mailman amid a flurry of
What a Cartoon! characters and stories", and also create new possible Cartoon Network series. However, the project was eventually scrapped as a result of the late 2000s recession and only 14 of the 39 planned were completed. Nevertheless, J. G. Quintel's "Regular Show" short and Peter Browngardt's "Secret Mountain Fort Awesome" were greenlit to become full series. A recurring character on the show, Uncle Grandpa, would get his own series two years later. The Big Cartoon DataBase cites "What a Cartoon!" as a "venture combining classic 1940s production methods with the originality, enthusiasm and comedy of the 1990s". The following is a list