I remember the first time watching it being bothered with the direction i thought it was going, or the behaviors of certain characters, until realizing that it all made sense in the end.
The beginning of season 2 and Chrichtons increasingly odd behavior put me on edge, made me frustrated. I couldn't for the life of me understand why he was turning into such a jackass. I remember not wanting to watch the show because of it. But as we all know, there was a valid reason for it, and the events in A Human Reaction was the first step down that road.