The Werewolf Transformation
| Episode Number | 18 |
|---|---|
| Season | 5 |
| Aired | 2012-02-23 |
| Overview | Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays. |
| Runtime | 25 minutes |
| Absolute Number | 105 |
| Finale Type |