I'm not loving season 2 yet
I didn't watch season 2 on TV until the bluray came out. I loved season 1, I watched it many times in a row. It's simple, just like most shows. There is an enemy, and the first season you find out why. The like most shows, season two gets so complex that you find yourself daydreaming. They then try to get into detailed back stories of every character.
I liked how the first season was about stopping a virus and now they totally changed the story and the virus is not even a main objective anymore. I liked how Cassandra became skilled in combat but I don't like that she is a total bitch now. I miss the sweetheart that had great chemistry with Cole. Cole seems like a soft follower in season two. I liked how he was the brave bad ass in control in the first season.
I am still watching season 2 so I hope it gets better.