THE BIG BANG THEORY Season 10 Episode 15 Photos The Locomotion Reverberation

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Howard Wolowitz (Simon Helberg), Leonard Hofstadter (Johnny Galecki) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Bernadette (Melissa Rauch), Penny (Kaley Cuoco) and Amy Farrah Fowler (Mayim Bialik). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Stuart (Kevin Sussman), Rajesh Koothrappali (Kunal Nayyar), Bernadette (Melissa Rauch), Amy Farrah Fowler (Mayim Bialik) and Penny (Kaley Cuoco). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Stuart (Kevin Sussman), Rajesh Koothrappali (Kunal Nayyar), Bernadette (Melissa Rauch), Amy Farrah Fowler (Mayim Bialik) and Penny (Kaley Cuoco). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Rajesh Koothrappali (Kunal Nayyar). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Amy Farrah Fowler (Mayim Bialik). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons) and Amy Farrah Fowler (Mayim Bialik). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Rajesh Koothrappali (Kunal Nayyar) and Stuart (Kevin Sussman). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Rajesh Koothrappali (Kunal Nayyar) and Stuart (Kevin Sussman). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Stuart (Kevin Sussman) and Rajesh Koothrappali (Kunal Nayyar). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Stuart (Kevin Sussman) and Rajesh Koothrappali (Kunal Nayyar). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Michael Yarish/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Sheldon Cooper (Jim Parsons). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.

“The Locomotion Reverberation”– Pictured: Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. Photo: Sonja Flemming/CBS ©2017 CBS Broadcasting, Inc. All Rights Reserved.