Talk:The Big Bran Hypothesis/@comment-5629657-20121021141641/@comment-2213358-20130311161652

This was only episode 2 of the series. All the characters hadn't been fully fleshed out at that time. Even Raj talks in front of Penny a few times without being drunk in this season. The drinking thing wasn't thought up until The Grasshopper Experiment, which was season 2.