The Bullwinkle Show

Season 5, Episode 159

Episode Title: Peabody's Improbable History - Sir Isaac Newton

Air Date: 1963-07-05

Overview:

Sir Issac Newton can't prove his law of gravity, so Mr. Peabody and Sherman travel to 1686, to make sure that Isaac Newton will have the iconic encounter with an apple that leads him to develop the Theory of Gravity.