When Sheldon, Leonard, Howard, and Raj are on a train to San Francisco, the latter three tried talking to actress Summer Glau, who they see is in their train car. After drinking what he thinks is a beer, Raj is able to charm Glau. When a jealous Howard points out to Raj that his beer is non-alcoholic, Raj stops speaking in the middle of his conversation, and flees from Glau.
