Howard and Raj visit a Goth nightclub to pick up women while Sheldon attempts to build a better Penny using chocolate-based behavior modification.
Elenco:
Jim Parsons
,
Johnny Galecki
,
Kaley Cuoco
,
Simon Helberg
,
Kunal Nayyar
,
Mayim Bialik
,
Melissa Rauch
,
Kevin Sussman
,
Aarti Mann
,
Kevin Sussman
,
Sara Gilbert
.