Guitar of Rock
- Episode aired Mar 17, 2014
- TV-PG
- 11m
When Benson breaks Mr. Mallard's special guitar, him, Mordecai and Rigby have to get a new one signed.When Benson breaks Mr. Mallard's special guitar, him, Mordecai and Rigby have to get a new one signed.When Benson breaks Mr. Mallard's special guitar, him, Mordecai and Rigby have to get a new one signed.