''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 at First Look at Bob Newhart's Return to THE BIG BANG THEORY Photo
Bob 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
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) 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: 2013-04-29From: 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: 2013-04-23From: Photo Flash: THE BIG BANG THEORY's 'The Love Spell Potential,' Airing 5/9
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