Showdown At Seashell Shore (Game 3, Gameplay 4)

Spyro The Dragon goes to Seashell Shore to rescue 3 seals who where jailed by the Rhynocs after crashing it during a joyride.
After battling the Rhynocs, finding more Dragon Eggs, and collecting more treasure, Spyro was able to rescue the seals.
Spyro also battles a Navy Rhynoc named Bluto with an armored speedboat against his Shark Submarine. And he defeats him. And Spyro goes through an underwater tunnel to get to a Dragon Egg while avoiding mines and taking out a few Rhynocs.
Sheila The Kangaroo also steps in to help a few seals destroy a fortress the Rhynocs were using.