The Bullwinkle Show (1959)

S2E9 Peabody's Improbable History - Louis Pasteur

In this playful episode, Peabody and Sherman take a trip back in time to visit the famous scientist Louis Pasteur. They quickly run into an unusual dilemma: Pasteur's cow has lost her memory and thinks she's a chicken. Eager to assist, Mr. Peabody concocts a variety of amusing experiments and solutions to jog the cow’s memory. As they tackle the ups and downs of life on the farm, the story shines a light on Pasteur’s significant scientific contributions while highlighting Peabody's ingenuity and the delightful shenanigans that follow.