THE BIG BANG THEORY Season 6 Episode 11 The Santa Simulation Photos

"The Santa Simulation" -- Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, while Penny, Bernadette and Amy try to find a girl for Koothrappali when he joins the girls for ladies' night, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Kaley Cuoco, Kevin Sussman, Kunal Nayyar, Jim Parsons, Simon Helberg, Johnny Galecki and Melissa Rauch Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Penny, Bernadette (Melissa Rauch) and Amy try to find a girl for Koothrappali when he joins the girls for ladies' night, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Eddy Chen/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"The Santa Simulation" -- Penny (Kaley Cuoco, left), Bernadette (Melissa Rauch, center) and Amy (Mayim Bialik, right) try to find a girl for Koothrappali (Kunal Nayyar, center) when he joins the girls for ladies' night, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Kevin Sussman, Kunal Nayyar and Jim Parsons Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Kevin Sussman, Kunal Nayyar, Jim Parsons, Johnny Galecki and Simon Helberg Photo: Eddy Chen/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"The Santa Simulation" -- Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Simon Helberg, Kevin Sussman and Jim Parsons Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Kevin Sussman, Jim Parsons and Johnny Galecki Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Penny (Kaley Cuoco, left), Bernadette and Amy try to find a girl for Koothrappali (Kunal Nayyar, right) when he joins the girls for ladies' night, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Kevin Sussman (second from right) Photo: Eddy Chen/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"The Santa Simulation" -- Penny (Kaley Cuoco), Bernadette and Amy try to find a girl for Koothrappali when he joins the girls for ladies' night, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Santa Simulation" -- Sheldon (Jim Parsons) revisits some Christmas memories during a game of Dungeons and Dragons, on THE BIG BANG THEORY, Thursday, Dec. 13 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.