S06E25 Who Shot Mr. Burns? Part One
After he stole the oil underneath Springfield Elementary and blocked out the sun, the people of Springfield become fed up with Mr. Burns. The wily old miser has taken to carrying around a gun with him. The other town residents also have guns and, one fateful night, Marge finds Mr. Burns shot. Who did it? Homer? Grandpa? Barney? Moe? Maggie? Smithers? Dr. Hibbert? Bumblebee Man?