Season 2 is just so perfect isn't it?
It's the only flawless season in my opinion. Every single episode is at least great with a few of them being some of the absolute greatest in the history of the show. The pace had sped up a little from Season 1 but hadn't quite reached the zany breakneck-pace of Seasons 3-4+. The animation and attention to detail peaked this year too; the show never looked this good again.
I have a lot of affection for the later seasons of the show and I even like a lot of material from Seasons 9+ but Season 2 will always be the absolute pinnacle to me. Possibly my favourite television Season of all time.