The Big Bang Theory 12×6
When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny’s Halloween party. Leonard is shocked that Penny doesn’t remember their first kiss.
Serie: The Big Bang Theory
Director: Bill Prady, Chuck Lorre
Guest Star: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kevin Sussman, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg