Johnny gets his hands on a real prehistoric dinosaur egg, which hatches! Now Johnny must keep his new pet, named Mr. Wuggles, from reaking havoc in Aron City!
| Name | Type | Role | |
|---|---|---|---|
| Candi Milo | Guest Star | ||
| Tom Kane | Guest Star | ||
| Tom Kenny | Guest Star | ||
| Jennifer Hale | Guest Star | ||
| Dee Bradley Baker | Guest Star |