Through Professor Frink's future machine, Bart and Lisa see their lives in the year 2013, where Bart steals Lisa's chances at going to an Ivy League school in order to impress a skater girl named Jenda while Homer (now separated from Marge and living in an underwater apartment) fights Krusty the Clown after Marge begins dating him.

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* BadNewsInAGoodWay: After Burns gives Bart Lisa's scholarship
--> '''Bart''': Listen Lis, I gotta tell ya something. I'm going to Yale.\\
'''Lisa''': What? I don't want to go the same college as you!\\
'''Bart''': Then I got some great news, you're ''not'' going to Yale.
* CloningBlues: Moe does this to himself in a attempt to help run his bar.
* FutureLoser: Bart as per usual. Lisa further ahead in the future if Bart doesn't let her go to college.
* GuestStar: AmyPoehler as Jenda and JohnDiMaggio as Bender.
* IgnoredEpiphany: Future Bart realizes his life isn't going anywhere and wishes he could tell his younger self to straighten up so he doesn't turn out like him. However in the present timeline, past Bart is busy flinging cards into a top hat as he's announcing this.
* IllKillYou: Homer to Krusty when he finds out he's dating Marge.
* MushroomSamba: Ralph has one after Nelson spikes the punch.
* ParentalAbandonment: Nelson does this to Sherri and Terri after they both give birth to twins who're his sons. Ironically doing the same thing his dad did to him.
* TakeThat: To ''WesternAnimation/{{Futurama}}'' (which, at the time, was canceled and rerunning on Creator/CartoonNetwork's AdultSwim line-up)
-->'''Bender''': (After suddenly appearing in Homer and Bart's car after passing through a tunnel) Alright, you guys are my new best friends!\\
'''Homer''': You wish, loser! (Homer tosses him out of the car and laughs as he breaks upon hitting the ground.)
* TookALevelInBadass: Milhouse got himself some muscles, but subverted as he still pines after Lisa.
* TookALevelInJerkass: Milhouse took one as a teenager, he's willing to let Lisa ruin her life just so he can be with her.