Series episode
Cast:
| Johnny Galecki | ... | Leonard Hofstadter |
| Jim Parsons | ... | Sheldon Cooper |
| Kaley Cuoco | ... | Penny |
| Simon Helberg | ... | Howard Wolowitz |
| Kunal Nayyar | ... | Raj Koothrappali |
| John Ross Bowie | ... | Barry Kripke |
| Carol Ann Susi | ... | Mrs. Wolowitz (voice) |
| Melissa Rauch | ... | Bernadette Rostenkowski |
| Ira Flatow | ... | Himself (voice) |
| Katee Sackhoff | ... | Katee Sackhoff |
Crew:
| Mark Cendrowski | ... | Direction |
| Richard Rosenstock Jim Reynolds Steve Holland | ... | Script |