6 24 2013-05-16 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. 4516560 20820 https://artworks.thetvdb.com/banners/series/80379/episodes/5eab0cdd7fad2.jpg false