Discover
When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.
Original Release
04/16/2015
Cast
| Name | Character |
|---|
| Johnny Galecki | Leonard Hofstadter |
| Jim Parsons | Sheldon Cooper |
| Kaley Cuoco | Penny |
| Simon Helberg | Howard Wolowitz |
| Kunal Nayyar | Raj Koothrappali / Rajesh Koothrappali |
| Mayim Bialik | Amy Farrah Fowler |
| Melissa Rauch | Bernadette Rostenkowski |
| Sara Erikson | Gwen |
| Kelli Goss | Chelsea |
| Phoebe Neidhardt | Casting Assistant |
Directors
Writers
Jeremy Howe, Tara Hernandez, David Goetsch, Steve Holland, Eric Kaplan, Steven Molaro, Jim Reynolds
Creators
Cast
| Name | Character |
|---|
| Johnny Galecki | Leonard Hofstadter |
| Jim Parsons | Sheldon Cooper |
| Kaley Cuoco | Penny |
| Simon Helberg | Howard Wolowitz |
| Kunal Nayyar | Raj Koothrappali / Rajesh Koothrappali |
| Mayim Bialik | Amy Farrah Fowler |
| Melissa Rauch | Bernadette Rostenkowski |
| Sara Erikson | Gwen |
| Kelli Goss | Chelsea |
| Phoebe Neidhardt | Casting Assistant |
| Jeff Jingle | Alien |
| Mark Maitre | Alien #2 |
| Lisbeth Kingsley | Audition Girl |
Producers
| Name | Role |
|---|
| Steven Molaro | Executive Producer |
| Eric Kaplan | Executive Producer |
| Jim Reynolds | Executive Producer |
| David Goetsch | Executive Producer |
| Steve Holland | Executive Producer |
| Maria Ferrari | Executive Producer |
| Chuck Lorre | Executive Producer |
| Faye Oshima Belyeu | Executive Producer |
| Bill Prady | Executive Producer |
| Ryan Berdan | Producer |
| Kristy Cecil | Producer |
| Anthony Del Broccolo | Producer |
| Justin D. Hetzel | Producer |
| Suzanne McCormack | Producer |
| Saladin K. Patterson | Producer |
| Mary T. Quigley | Producer |
| Peter Chakos | Producer |
Editors
Clips
The Big Bang Theory: Thanks For Coming Over
The Big Bang Theory: Some Songs
