My avatar may be something of a clue about my opinion on it.
Generally I find it funny, but it's not without it's flaws, namely:
- For me, the earliest seasons and the most recent seasons are the best. Those in the middle (roughly seasons 4-7) weren't particularly good.
- Too much reliance on American cultural references that most people in the UK, me included, won't get.
- Too many songs, which I wouldn't mind, except half of them aren't funny at all. Particularly when they last far too long. They often seem like filler.
It can be quite hit and miss, but when they get it right it's brilliant.