The Big Bang Theory | The Bath Item Gift Hypothesis
Genre: Comedy
Director: Bill Prady, Chuck Lorre
Cast: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg
Description: : Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.