Mister Rogers' Neighborhood (1968)

S6E40 Potato Bugs and Cows

In the whimsical Neighborhood of Make-Believe, an opera unfolds centered around Cows and Potato Beetles. Lady Aberlin takes on the role of Priscilla, a discontented cow yearning to transform into a potato beetle. A notable part of Fred's conversation regarding Priscilla's feelings was featured in a television clip in the 1995 movie Casper.