The Big Bang Theory | The Nerdvana Annihilation
Genre: Comedy
Director: Bill Prady, Chuck Lorre
Cast: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg
Description: : When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.