The first 3 1/2 seasons were fuckin' fantastic. It really started to suck after the bus crash story arc, and it still hasn't recovered.
OMFG I WAS LIEK ON A BUS WHEN LIEK I WAS TALKIN 2 THIS GURL AND SHE WAS ALL "YU NO KNOW ME" AND I WAS ALL LOLWWUT THEN THE BUG DRIVER HAD A SEZIUR FOR LIEK NO REASON AND LIKE BUS CRASH'D!!!1 THEN MYSTRERIOUS GUIRL WENT TO HOSPITALOL AND I FORGOT WHO SHE WUS SO I TOOK LIKE 60 HALLUCINOGENS TO MAGICALLY REMEMBER THAT SHE WAS LIEK MY COWORKERS GIRLFRIENDS OMNG OMG OMG OMG OMG WTFLOL!
That right there is the Season 4 finale. Worst overdramatic crap ever.