Someone's out to kill Homer, after Homer gets locked into a sauna by a hooded man and only Sideshow Bob can figure out who that is.

!! Tropes:
* CallBack: Most of Homer's past enemies were from previous episodes, including [[spoiler:the son of deceased nuclear plant worker, Frank Grimes]].
* [[spoiler:DeadGuyJunior: Frank Grimes, Jr. is the person trying to kill Homer.]]
* {{Jerkass}}: Homer's friends at the bar actually give Sideshow Bob advice and encouragement to kill Bart.
* RecruitingTheCriminal
* WhyDontYouJustShootHim: Sideshow Bob was asked why he doesn't just shoot Bart. [[spoiler:He tried it at the end of the episode and it turns out he grew accustomed to Bart's face]].
* [[spoiler:YouKilledMyFather: The reason Frank Grimes, Jr. tries to kill Homer.]]