I'm just starting season 3, which was the fall of 2001. I almost wanted to skip over the stupid "Very Special Episode" they aired before the official season opener — the response to 9/11 — but forced myself to sit through it, for the sake of completeness. It's still as ham-handed and awkward as I remember.
I'm really enjoying the rest of the episodes, though. The one thing I'm hating is having to fumble for the remote to fast-forward through the opening and closing credits. I think there should be a setting so that when you choose "play all" episodes, the disc will automatically skip over those segments.