| Season 2, Episode 13|
|Airdate:||May 14, 2012|
|Director:||Pongo Kuo, Trevor Wall|
| Written &|
|Thomas Pugsley, Greg Klein|
Second to None
Duo Cannon is episode thirteen of season two of Hero: 108, and episode sixty-five overall.
- First appearance of the rock caterpillars.
- First time a turtle's shell has been broken.