Leonard's idea for a smartphone app derails his friendship with Sheldon.
| Title | The Bus Pants Utilization |
|---|---|
| Genres | Comedy |
| Release Date | 2011-01-06 |
| Episode Runtime | 00 Hours 22 Minutes |
| Season Number | 4 |
| Episode Number | 12 |
| Production Companies | Chuck Lorre Productions, Warner Bros. Television |
