The Busy World of Richard Scarry

Mr. Frumble's New Cars & Ernst and Heidi in the Alps & Billy Dog's Bad Day (1x16)

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Instead of picking up his pickle car at Mr. Fixit's, Mr. Frumble mistakenly drives off in a bulldozer. Ernst wants to be with Heidi on the rescue patrol, but he isn't a very good climber. Billy Dog, a new kid in school, has everyone scared because of his gruff manner.