The Guitarist Amplification
| Episode Number | 7 |
|---|---|
| Season | 3 |
| Aired | 2009-11-09 |
| Overview | When Penny has an old friend staying over at her apartment, an argument ensues between her and Leonard, causing Sheldon to get caught between the couple. |
| Runtime | 25 minutes |
| Absolute Number | 47 |
| Finale Type |