The Bullwinkle Show - Season 4 Episode 39 Mr. Peabody and Sherman - Galileo
Overview: Mr. Peabody is sick, so Sherman will be taking us into the past instead. Today, he'll be helping Galileo drop the ball on the Leaning Tower of Pisa. But he'll also need Mr. Peabody's advice, so he decides to come back to the present for some assistance.