Seasons 1 and 2 - the good.

Seasons 3 and 4 - the bad.

Season 5 - the worst.

Back when it first aired, I never knew about this show. I made the mistake of picking it up now thinking it would be a good fill-in.

It's not that it's a complete waste of time. The first two seasons are actually good. It's that the character development is either non-existent or negative. Most of the characters seem to actively refuse to learn from their mistakes, leading them to screwing things up over and over, or even improving on their troublemaking skills over time.

To complete my frustration, the last season must have gone into history as one of the worst conclusions to a story ever written. It's boring through and through, and the story arcs are the poorest I've ever watched, even with the new blood they tried to bring in to save the mess it's become, to no avail.