Pilot
| Episode Number | 1 |
|---|---|
| Season | 1 |
| Aired | 2007-09-24 |
| Overview | Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living. |
| Runtime | 25 minutes |
| Absolute Number | 1 |
| Finale Type |