The Simpsons Classics: Springfield Murder Mysteries

Elementary, My dear Simpson

Features the following episodes:
Black Widower
Sideshow Bob (Kelsey Grammer) is released from prison and proposes to Marge's sister Selma. Everyone is happy except Bart - who must put the clues together in time to reveal that Bob, indeed, plans to murder his bride-to-be.
Cape Feare
An unknown letter writer threatens Bart - and turns out to be none other than Sideshow Bob. Released from prison yet again, Bob makes Bart's life miserable and then, finally, attempts to murder his ten-year-old nemesis with a machete.
Who Shot Mr. Burns? - Part One
In this season-ending cliffhanger, Mr. Burns threatens to block out the sun - then is shot by an unknown assailant. Unfortunately, Burns is so hated there are far too many suspects.
Who Shot Mr. Burns? - Part Two
In this season premiere episode featuring guest star Tito Puente, Mr. Burns' assailant is revealed. And it turns out to be the last Simpson you'd expect.