Sam visits the National Aquarium in Baltimore, Maryland, to learn cool facts about eels. He learns about the mighty moray, which swims by twisting and turning its superlong body.

Sam comes face-to-face with a bonnethead shark while diving at the National Aquarium in Baltimore, Maryland. She learns how sharks of all sizes make a difference in their habitats.

Sam meets the queen of the ocean. She gears up and dives deep down to learn more about this fish and what makes it extraordinary.

Meeting a fish with fins that look like wings; diving down to see the fish that likes to hang at the bottom of the ocean floor.

Sam meets a fish that looks like a balloon with a spiky attitude and swims in the National Aquarium's Atlantic Coral Reef in Baltimore, Maryland.

Meeting a fish that can manoeuvre through the ocean like a craftsman.