Sheldon Asks For A Challenge in "The Anxiety Optimization"

"The Anxiety Optimization"

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Jim Parsons and Mayim Bialik Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Leonard asks Sheldon what he's up to

Leonard asks Sheldon what he's up to

In the hopes of achieving a scientific breakthrough, Sheldon (Jim Parsons, right) invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Also pictured: Johnny Galecki (left) Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Sharing feelings

Sharing feelings

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Jim Parsons and Mayim Bialik Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Testing out Sheldon's headphones

Testing out Sheldon's headphones

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Johnny Galecki, Jim Parsons and Kaley Cuoco-Sweeting Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Hanging in there

Hanging in there

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Kaley Cuoco-Sweeting and Jim Parsons Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Sheldon and Amy in the lab

Sheldon and Amy in the lab

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Jim Parsons and Mayim Bialik Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Working together

Working together

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Jim Parsons and Mayim Bialik Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Wolowitz shares a game he invented about Raj

Wolowitz shares a game he invented about Raj

Wolowitz invents an embarrassing game about Raj, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Kunal Nayyar, Simon Helberg and Johnny Galecki Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Barging in on girl's time

Barging in on girl's time

In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Melissa Rauch, Kaley Cuoco-Sweeting, Mayim Bialik and Jim Parsons Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.
Sheldon works hard

Sheldon works hard

In the hopes of achieving a scientific breakthrough, Sheldon (Jim Parsons) invites his friends to challenge him, on THE BIG BANG THEORY, Thursday, Jan. 29 (8:00-8:31, ET/PT), on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved.