The Hofstadter Isotope
| Episode Number | 20 |
|---|---|
| Season | 2 |
| Aired | 2009-04-13 |
| Overview | When a fellow comic book enthusiast hits on Penny it leads to Leonard and Howard going to a bar's on Ladies' Night. |
| Runtime | 25 minutes |
| Absolute Number | 37 |
| Finale Type |
| Episode Number | 20 |
|---|---|
| Season | 2 |
| Aired | 2009-04-13 |
| Overview | When a fellow comic book enthusiast hits on Penny it leads to Leonard and Howard going to a bar's on Ladies' Night. |
| Runtime | 25 minutes |
| Absolute Number | 37 |
| Finale Type |