See, for me, "Muffy's Soccer Shocker" was an episode that I have seen a million times, mainly because before the age of YouTube, it was one of the only episodes I had on VHS.

As for your season question, I'm not entirely sure. My best guess is that because the seasons are so short (rather than 20 or 30 episodes), they want to try to stretch out new episodes further, so that all the episodes for the new year aren't done in two weeks.