|This article is about the episode. You may be looking for the location.|
| Season 1, Episode 49|
|Airdate:||March 29, 2010|
|Director:||Pongo Kuo, Trevor Wall|
| Written &|
Cheetah Castle II
Frog Castle is episode forty-nine of season one of Hero: 108.
- First appearance of the Frogs.
- When First Squad is battling the Frogs, Jumpy is seen jumping from obstacle to obstacle similar to the game Frogger.
- Second appearance of Rattle Diva.
- It is noted that Rattle formed a band with Giraffe King and Panda King.
- The second time the bad guys took Mighty Ray's eyeballs.