M*A*S*H Season 8 Episode 25
Overview
A no-nonsense Colonel, who is notorious as a hard-nosed disciplinarian, visits the 4077th during an outbreak of April Fools’ Day pranksterism. Colonel Potter tries in vain to halt the mayhem before Colonel Tucker arrives in camp.
Director: Charles S. Dubin
Guest Star: G. W. Bailey, Pat Hingle
Episode Title: April Fools
Air Date: 1980-03-24