I'm a huge "Prison Break" fan and in terms of pure adrenaline, I give it the nod over anything else out there. It was originally written as a 2-season show, but its immense popularity has forced FOX to turn what would've been next week's series finale into a season finale.
Although I think it's a great decision to extend a popular series, this is going to present an incredible challenge for their writers, especially given the number of people they killed off. Killing John cost them their mafia angle, for example. I'm really glad that Franklin has survived, but with the feds after Mahone, that door remains open.
I hope that Sucre's stupid girlfriend dies so that he can get on with his life.