"The Stag Convergence" is the twenty-second episode of the fifth season of the American sitcom The Big Bang Theory. The episode premiered on April 26, 2012 on CBS. In it, the main characters go to the bachelor party to celebrate Howard (Simon Helberg) and Bernadette's (Melissa Rauch) upcoming marriage. At the party, a drunk Rajesh (Kunal Nayyar) reveals some information about Howard's past sexual encounters.