When Leonard is considered for an exciting research opportunity, Sheldon becomes jealous and tries to scare him into backing out. Meanwhile, Raj's relationship with Lucy is strained when he tries to get her to meet his friends.
Elenco:
Jim Parsons
,
Johnny Galecki
,
Kaley Cuoco
,
Simon Helberg
,
Kunal Nayyar
,
Mayim Bialik
,
Melissa Rauch
,
Kevin Sussman
,
Aarti Mann
,
Kevin Sussman
,
Sara Gilbert
.