Beware of Blondie is a 1950 American comedy film directed by Edward Bernds, the final installment in Columbia's series of 28 Blondie films over the course of 12 years.

Plot

Mr. Dithers takes a vacation and leaves Dagwood in charge of the office. He arrives exhausted, having worked late on his tax return and being awakened by garbage collectors. Dagwood is recognized the next day taking an attractive female business client to lunch at a French restaurant. Blondie learns of this, is jealous and insists that Dagwood start eating only from a lunchbox. However, remembering Mr. Dithers' insistence that he land the business contract, Dagwood takes the client out a second time and follows her to her apartment afterward, where she tries to seduce him. Blondie finally exposes the woman as a dangerous swindler.