Enjoy the looks, because it is all downhill from here.
Sound starts out with a grand vision, but does not follow through with the execution. The actors for the major characters from the show provide their voices, as do some of the more notable 'minor characters' (like Jorgan Von Strangle). Music is upbeat and usually fits with the theme of the level. The problem that plagues the entire sound department is poor sound quality and repetition. The voice quality during cut scenes (and believe me, there are A LOT of them) is bad. You can clearly understand what is being said, but it sounds like it is coming out of a monotone speaker on its way out. Sound effects don't run into this problem. I always like it when games throw in 'chatter' during a game. What I do not like is when the chatter is the same two or three lines over and over and over again. This is a major problem in the game. To compound matters, these little sayings come at least every 30 seconds or so, and there is no guarantee that you will not hear the same saying two or three times in a row.