The rest of the gang fall for Sheldon's twin sister and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.
Comedy
More episodes from Season 1
More details
Directors
James Burrows, Mark Cendrowski, Andrew D. Weyman, Ted Wass, Joel Murray
Cast
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar