Rewatching a Simpsons episode as a middle aged man vs when I used to watch the Simpsons as a kid/teenager there are so many jokes I didn’t get as a kid.

For example:
Barney showing up to Homers BBQ with a huge beer keg.

Homer: “Wow Barney you brought a whole beer keg!”

Barney: “Yeah where can I fill it up?”

This entire clip makes me laugh. The Mr. Burns part is hilarious. Dinner table scene hilarious too.

https://www.youtube.com/watch?feature=shared&v=DaPlzxeepro