Finale First Look: A Big Bang Theory Wedding!

"The Countdown Reflection" — When Howard (Simon Helberg, right) and Bernadette (Melissa Rauch, left) decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard (Simon Helberg, far left) and Bernadette (Melissa Rauch, second from left) decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Mayim Bialik (second from right) and Jim Parsons (far right). Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard and Bernadette (Melissa Rauch, right) decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Jim Parsons (left) and Mayim Bialik (center). Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard and Bernadette decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured (left to right): Mayim Bialik, Jim Parsons, Johnny Galecki, Kaley Cuoco. Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard and Bernadette decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured: Johnny Galecki (left) and Jim Parsons (right). Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard and Bernadette decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Pictured (left to right): Kunal Nayyar, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki, Kaley Cuoco. Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.

"The Countdown Reflection" — When Howard (Simon Helberg, right) and Bernadette (Melissa Rauch, left) decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS 2012 CBS Broadcasting, Inc. All Rights Reserved.