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.
Casts:
Alan Alda, Mike Farrell, Loretta Swit, Jamie Farr, Harry Morgan, David Ogden Stiers, William Christopher