The Big Bang Theory 2x20: The Hofstadter Isotope
| Serie | The Big Bang Theory |
| Staffel | 2 |
| Folge | 20 |
| Länge | 20 Minuten |
| Genres | Comedy, Romance |
| Erstausstrahlung | 12.12.2009 |
| Autoren | David Goetsch |
| Regisseur | Mark Cendrowski |
Die Schauspieler der Episode
| Schauspieler | Rolle |
|---|---|
| Johnny Galecki | Leonard Hofstadter |
| Jim Parsons | Sheldon Cooper |
| Kaley Cuoco | Penny |
| Simon Helberg | Howard Wolowitz |
| Kunal Nayyar | Raj Koothrappali |
| Kevin Sussman | Stuart Bloom |
| Ian Scott Rudolph | Captain Sweatpants (uncredited) |
| Lori Anne Shields | Raj's Bar Lady (uncredited) |