In this Christmas anthology episode, Bart goes after Krusty Claus, Lisa dreams of Christmas in World War II Germany, Martha Stewart teaches Marge the true meaning of Christmas, and Music/KatyPerry appears with Muppet Simpsons.
* ActionMom: Marge in Lisa's story. She is called to serve in the US Army during World War II instead of Homer, and successfully kills Hitler.
* AllJustADream: All four stories of this episode.
* BeCarefulWhatYouWishFor: When Bart wished Mr. Burns wouldn't sing "12 Days of Christmas", Burns said he'd sing the "original" version with ''[[UpToEleven 39]]'' days.
* DirtyCoward: When Marge shows up at the movie theater to kill Hitler, he rips off his mustache and puts it on another man's face as a failed attempt to avoid being killed.
* GettingCrapPastTheRadar: TheStinger, wherein a muppet version of Moe tries to kiss Katy Perry.
-->'''Moe:''' I'll just kiss your belly button! (''promptly kisses her "belly button"'')\\
'''Katy Perry:''' That's ''not'' my belly button! (''beat'') But I didn't say stop...
* NoBudget: So much was spent to have Music/KatyPerry appear there was only one hound to answer Mr. Burns' usual "release the hounds" command. [[invoked]]
* ShoutOut: Mr. Burns decided to visit the Simpsons because he was visited by [[YetAnotherChristmasCarol three spirits]].
* TemptingFate: When the Simpsons were about to depart for Hawaii, Homer said nothing would stop them. Mr. Burns then showed up.