Aired: March 13, 2005 | Season: 3 | Episode: 4

Overview
Runtime: 25m
Directed by:
Written by:
Description
During the brief period of planet Hydo's people thanking Sonic and his friends for defeating the Metarex, Eggman tricks Knuckles and tries to obtain the Chaos Emerald. However, a frog-shaped Metarex appears and swallows it. The group must prevent the Metarex from stealing the Planet Egg again.