Series episode
Cast: (14 - show/hide all)
| Johnny Galecki | ... | Leonard Hofstadter |
| Jim Parsons | ... | Sheldon Cooper |
| Kaley Cuoco | ... | Penny Hofstadter |
| Simon Helberg | ... | Howard Wolowitz |
| Kunal Nayyar | ... | Raj Koothrappali |
| Mayim Bialik | ... | Amy Farrah Fowler |
| Melissa Rauch | ... | Bernadette Rostenkowski |
| Kevin Sussman | ... | Stuart Bloom |
| Christine Baranski | ... | Dr. Beverly Hofstadter |
| Sara Gilbert | ... | Leslie Winkle |
| Wil Wheaton | ... | Wil Wheaton |
| Adam West | ... | Adam West |
| Stephen Hawking | ... | Dr. Stephen Hawking |
| John Ross Bowie | ... | Barry Kripke |
Crew:
| Mark Cendrowski | ... | Direction |
| Steven Molaro Steve Holland Tara Hernandez | ... | Script |