Highlights from the Thirteenth Episode of Season 5 of The Big Bang Theory

­Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two.

100th Episode Celebration

100th Episode Celebration

Everything might change when Leonard offers Penny (Kaley Cuoco) a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Two Sheep

Two Sheep

Sheldon (Jim Parsons) ponders how everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Gamers

Gamers

The guys (left to right: Jim Parsons, Kunal Nayyar, Simon Helberg) ponder how everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Game Changer

Game Changer

The guys (left to right: Jim Parsons, Kunal Nayyar, Simon Helberg) ponder how everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Girl Talk

Girl Talk

Bernadette (Melissa Rauch, left) and Amy (Mayim Bialik, right) ponder how everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Dinner

Dinner

Everything might change when Leonard (Johnny Galecki, left) offers Penny (Kaley Cuoco, right) a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Changing Times

Changing Times

The guys (Jim Parsons, second from left; Kunal Nayyar, second from right; Simon Helberg, far right) ponder how everything might change when Leonard (Johnny Galecki, far left) offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Winning Caption:

Winning Caption: "Spock, you're missing a dimension..."

Sheldon (Jim Parsons, right) ponders how everything might change when Leonard (Johnny Galecki, left) offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved. Winning caption by: Joshua L.
Invitation

Invitation

The girls (Mayim Bialik, second from left; Melissa Rauch, second from right) ponder how everything might change when Leonard (Johnny Galecki, far right) offers Penny (Kaley Cuoco, far left) a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.
Poster Size

Poster Size

Sheldon (Jim Parsons, right) ponders how everything might change when Leonard (Johnny Galecki, left) offers Penny a spur of the moment invitation to a romantic dinner for two, on the 100th episode of THE BIG BANG THEORY. Photo: Robert Voets/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.