Best/Favorite OT episodes?

[blockhead]

I have all the OT episodes and have seen a good bit of them. I've seen all of Season 1 and 2 and many various episodes. I'm looking for new episodes to watch that I haven't seen before and was looking for reccomendations. I've been browsing the talkback threads but they are mostly seasons 1, 2 and 3 with a few others randomly sprinkled throughout. I'm looking for the cream of the crop according to the rest of the dome, excluding seasons 1 and 2. suggest away!