Series episode
Cast: (11 - show/hide all)
| Johnny Galecki | ... | Leonard Hofstadter |
| Jim Parsons | ... | Sheldon Cooper |
| Kaley Cuoco | ... | Penny |
| Simon Helberg | ... | Howard Wolowitz |
| Kunal Nayyar | ... | Raj Koothrappali |
| Melissa Rauch | ... | Bernadette Rostenkowski |
| Carol Ann Susi | ... | Mrs. Wolowitz (voice) |
| Aarti Mann | ... | Priya Koothrappali |
| Phil Abrams | ... | Dr. Bernstein |
| Sharon Omi | ... | Nurse in Biohazard Suit |
| Mayim Bialik | ... | Amy Farrah Fowler |
Crew:
| Howard Murray | ... | Direction |
| Chuck Lorre Steven Molaro Steve Holland | ... | Script |