Watch The Busy World of Richard Scarry online: Episode 24 Fun-Time Riddle Race; The First Balloon; Billy Dog's Space Rock

"Fun-Time Riddle Race": A big riddle race takes place in Busytown starting at the Fire station (with the riddle "When things get really hot, we'll bring you some water") and ending at the Observatory (with the riddle "When it gets dark, look up and watch the show"). "The First Balloon": The story of the first balloon (a.k.a. Montgolfier) is featured. "Billy Dog's Space Rock": Billy Dog loses a meteorite from the observatory and tries to find and return it.

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