 " Who Shot Mr. Burns ? " is a two @-@ part episode of The Simpsons . Part One is the twenty @-@ fifth and final episode of the sixth season and originally aired on Fox on May 21 , 1995 , while Part Two is the season premiere of the seventh season and aired on September 17 , 1995 . Springfield Elementary School strikes oil , but Mr. Burns steals it and at the same time brings misery to many of Springfield 's citizens . Part One has a cliffhanger ending where Mr. Burns is shot by an unidentified assailant . In Part Two , Springfield 's police try to find the culprit , with their main suspects being Waylon Smithers and Homer Simpson . 
