Actor Kunal Nayyar, actress Kaley Cuoco, actress Melissa Rauch, actress Simon Helberg, actress Mayim Bialik, and actor Johnny Galecki attend the...
The cast and crew of 'The Big Bang Theory' accept the Favorite Network TV Comedy award onstage during the People's Choice Awards 2017 at Microsoft...
Actors Kunal Nayyar, Kaley Cuoco, Melissa Rauch, Simon Helberg, Mayim Bialik, and Johnny Galecki onstage during the People's Choice Awards 2017 at...
Actor Johnny Galecki, actress Melissa Rauch, actor Simon Helberg, actress Mayim Bialik, writer/producer Bill Prady, actress Kaley Cuoco,...
The cast and crew of "The Big Bang Theory" accept the Favorite Network TV Comedy award onstage during the People's Choice Awards 2017 at Microsoft...
Actors Jordana Brewster and Johnny Galecki speak onstage during the People's Choice Awards 2017 at Microsoft Theater on January 18, 2017 in Los...
The Romance Recalibration"-- Pictured: Amy Farrah Fowler , Sheldon Cooper , Penny and Leonard Hofstadter . When Penny feels that Leonard is taking...
The Birthday Synchronicity" -- Pictured: Leonard Hofstadter , Penny , Amy Farrah Fowler , Sheldon Cooper , Stuart and Rajesh Koothrappali . Howard...
The Geology Elevation" -- Pictured: Amy Farrah Fowler , Penny and Leonard Hofstadter . When Bert , a Caltech geologist, wins the MacArthur Genius...
The Geology Elevation" -- Pictured: Sheldon Cooper , Leonard Hofstadter , Rajesh Koothrappali and Howard Wolowitz . When Bert , a Caltech geologist,...
The Hot Tub Contamination" -- Pictured: Penny and Leonard Hofstadter . Leonard and Penny must separate a quarreling Sheldon and Amy when their...
The Military Miniaturization" -- Pictured: Rajesh Koothrappali , Leonard Hofstadter , Howard Wolowitz and Sheldon Cooper . Colonel Williams , an Air...
The Military Miniaturization" -- Pictured: Howard Wolowitz and Leonard Hofstadter . Colonel Williams , an Air Force representative from the...
Billy Gibbons of ZZ Top with Spencer Garrett, Johnny Galecki, and Timothy White at the Sunset Marquis Hotel in Los Angeles, California on August 11,...
Billy Gibbons of ZZ Top with Spencer Garrett, Johnny Galecki, and Timothy White at the Sunset Marquis Hotel in Los Angeles, California on August 11,...
Johnny Galecki attends the Red Nose Day Special on NBC at Alfred Hitchcock Theater at Universal Studios on May 26, 2016 in Universal City, California.
Johnny Galecki attends the Red Nose Day Special on NBC at Alfred Hitchcock Theater at Universal Studios on May 26, 2016 in Universal City, California.
Actors Johnny Galecki and Kyle Gallner with Director Bobby Miller, "The Master Cleanse" are photographed for The Wrap on March 13, 2016 in Austin,...
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
Johnny Galecki poses for a portrait in the Getty Images SXSW Portrait Studio Powered By Samsung on March 13, 2016 in Austin, Texas.
The Solder Excursion Diversion" --Koothrappali sells out Leonard and Wolowitz after they lie to their wives in order to attend an early screening of...
Actor Johnny Galecki arrives at The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles 'The Big Bang Theory' at Dolby Theatre on March 16,...
Actor Johnny Galecki arrives at The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles 'The Big Bang Theory' at Dolby Theatre on March 16,...
Executive producers Steven Molaro, Bill Prady, actors Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, and Simon Helberg attend The Paley...
Actors Kaley Cuoco and Johnny Galecki attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles ÔThe Big Bang Theory' at Dolby Theatre on...
Actors Kaley Cuoco and Johnny Galecki attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles ÔThe Big Bang Theory' at Dolby Theatre on...
Moderator Alie Ward, executive producers Chuck Lorre, Steven Molaro, Bill Prady, actors Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, Simon...
Actor Johnny Galecki attends "The Big Bang Theory" event at the 33rd annual PaleyFest at Dolby Theatre on March 16, 2016 in Hollywood, California.
Actor Johnny Galecki attends "The Big Bang Theory" event at the 33rd annual PaleyFest at Dolby Theatre on March 16, 2016 in Hollywood, California.
Actor Johnny Galecki attends The Paley Center For Media's PaleyFest 2016 Honoring "The Big Bang Theory" at The Dolby Theatre on March 16, 2016 in Los...
Cast of "The Big Bang Theory" including actors Kunal Nayyar, Jim Parsons, Simon Helberg, Mayim Bialik, Kaley Cuoco, producers Steven Molaro, Chuck...
Moderator Alie Ward, producers Chuck Lorre, Steven Molaro, Bill Prady, actors Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, Simon Helberg,...
Actor Johnny Galecki attends The Paley Center For Media's 33rd Annual PaleyFest Los Angeles - 'The Big Bang Theory' at Dolby Theatre on March 16,...
Sangita Patel, Johnny Galecki, Bobby Miller and Kyle Gallner attend the Fast Company Grill with Bella Thorne, Kian Lawley, Keegan-Michael Key,...
Producer Aaron L. Gilbert and actors Kyle Gallner and Johnny Galecki attend the premiere of "The Master Cleanse" during the 2016 SXSW Music, Film +...
Actors Kyle Gallner and Johnny Galecki speak onstage at the premiere of "The Master Cleanse" during the 2016 SXSW Music, Film + Interactive Festival...
Actor Johnny Galecki of 'The Master Cleanse' is seen behind the scenes in the Getty Images SXSW Portrait Studio powered by Samsung on March 13, 2016...
Actor Johnny Galecki attends the 2016 Alzheimer's Association's "A Night At Sardi's" at The Beverly Hilton Hotel on March 9, 2016 in Beverly Hills,...
Actor Johnny Galecki attends the 2016 Alzheimer's Association's "A Night At Sardi's" at The Beverly Hilton Hotel on March 9, 2016 in Beverly Hills,...
Actors Jim Parsons, Kunal Nayyar, Simon Helberg, Johnny Galecki, Melissa Rauch, Kaley Cuoco and Mayim Bialik perform onstage during the 24th and...