Blondie's Big Deal (1949)

Dagwood wants to set the world on fire... but all he does is burn down the Boss' house!

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 is disgraced when the house burns down!