This television episode refers to:
February 27, 2006
When Robin and Ted discover that the next level of drunkenness for Barney is "Truth Serum" drunk, they ask him questions to get truthful answers. The big question is about what Barney really does for a living. There are flashbacks to the episode "Game Night" in which Barney changed his lifestyle, becoming the suit-wearing awesome Barney that he is today.