Sonic X — Season 1, Episode 16: Depths of Danger
Animation, Action & Adventure, Comedy • 25 min • 3 seasons, 78 episodes • ★ 7.6/10
Episode synopsis
Sonic and friends search the ocean floor for the fourth Chaos Emerald when Dr. Eggman launches an underwater attack.
About Sonic X
After getting stranded on Earth, Sonic and his friends team up with 12-year-old Chris Thorndyke to collect all the Chaos Emeralds and defeat the evil Dr. Eggman.