Blondie's Anniversary (1947)

In this, the 25th Blondie film, Dagwood accidentally discovers a non-flammable paint. Bad guys Dillon and Stack steal it before he can give it to his boss Radcliffe. To show off his invention, Dagwood paints Radcliffe's house with it and disgraced when the house burns down!

After 12 years and 28 films, Columbia's Blondie series came to a close with 1950's Beware of Blondie. Mr. Dithers leaving Dagwood (Arthur Lake) in charge of the office for a short period. Poor old Dagwood manages to gum things up when he falls for a confidence scam engineered by the duplicitous Toby Clifton (Adele Jergens). He even finds himself in a compromising position that seriously endangers his future connubial happiness with wife Blondie (Penny Singleton). Once again, it's up to Blondie to straighten out the mess. Mr. Dithers is played by an uncredited Edward Earle, who is seen only from the back; Earle's voice is dubbed over with an old recording of Jonathan Hale, the series' original Dithers.

Dagwood inadvertently gets cornered in to resigning. When his wife Blondie tries to ask Dagwoods boss Mr. Dithers for his job back, he ends up hiring her instead. This doesn't sit too well with Dagwood. Blondie's sister comes to visit, and Dagwood is put in a compromising situation with another woman.