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
Blondie (comic strip) were noted by their histrionic humor as well for having 12 panels, switching to the standard half-page format in 1986. While the distinctive look and running gags of "Blondie" have been carefully preserved through the decades, a number of details have been altered to keep up with changing times. The Bumstead kitchen, which remained essentially unchanged from the 1930s through the 1960s, has slowly acquired a more modern look (no more legs on the gas range and no more refrigerators shown with the compressor assembly on the top). Dagwood no longer wears a hat when he goes to work, nor