''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart, right) seeks advice from Leonard (Johnny Galecki, left) instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye, on THE BIG BANG THEORY Photo
From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORYBob Newhart makes his return to CBS' THE BIG BANG THEORY on the upcoming episode titled 'The Proton Displacement' - check out a first look below!
Date Taken: October 25, 2013
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''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart) seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye, on THE BIG BANG THEORY, Thursday, Nov. 7 (8:00 ÃÃ
From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart) seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye, on THE BIG BANG THEORY, Thursday, Nov. 7 (8:00 ÃÃ
Date: 2013-10-25From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart) seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye, on THE BIG BANG THEORY, Thursday, Nov. 7 (8:00 ÃÃ
Date: 2013-10-25From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart, center) seeks advice from Leonard (Johnny Galecki, right) instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye (left), on THE BIG BA
Date: 2013-10-25From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart, right) seeks advice from Leonard (Johnny Galecki, center) instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye (left), on THE BIG BA
Date: 2013-10-25From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

''The Proton Displacement'' -- Sheldon feels slighted when Professor Proton (Bob Newhart) seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye, on THE BIG BANG THEORY, Thursday, Nov. 7 (8:00 ÃÃ
Date: 2013-10-25From: Photo Flash: First Look at Bob Newhart's Return to THE BIG BANG THEORY

Kaley Cuoco, Johnny Galecki
Date: 2013-09-23From: Photo Flash: First Look - THE BIG BANG THEORY's Season Finale, Airing 5/16

Simon Helberg, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki
Date: 2013-04-29From: Photo Flash: First Look - THE BIG BANG THEORY's Season Finale, Airing 5/16

Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons Melissa Rauch, Simon Helberg
Date: 2013-04-29From: Photo Flash: THE BIG BANG THEORY's 'The Love Spell Potential,' Airing 5/9
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