Name: Episode 3 — Marine Mammals
Released: 1995-11-17
Duration: 26 min
Cast: Bill Nye, Rachel Glenn, Jennifer Lin, Amy Broder, Ethan Ferkiss

Bill Nye the Science Guy (1993 – 1998)

1993 • 5 seasons • Comedy, Documentary • TV-Y

8.2/10 9,057

73% 86

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On August 9, 2026

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Episode 3 — Marine Mammals

Released: 1995-11-17 • Comedy/Documentary/Kids

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Whales, dolphins, otters, walruses, and orcas are just like us, they’re mammals. Well, they’re not just like us. They live in the ocean. They breathe air, have hair, nurse their babies, and they are warm-blooded. They keep the same body temperature all day. To do that in the ocean isn’t easy. Water soaks up heat, so the ocean is really pretty cold. Marine mammals have all sorts of ways to keep warm. Whales, dolphins, and walruses have thick layers of fat called “blubber.” It’s great insulation. It holds their body heat keeping them warm in the cold ocean. Sea otters have thick layers of fur that cover their whole bodies. Otters fluff their fur to trap air between the hairs. It helps them float, it the air keeps them warm even when they dive deep hunting for food. These adaptations make it possible for marine mammals to live all over the world’s oceans.

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Episode air date	17.11.1995
Episode runtime	26 min
Episode rating	0.00
Genres	Comedy / Documentary / Kids
TMDB series rating	7.3
IMDb series rating	8.2
Series status	Ended
Age rating	0+
Country	US

Bill Nye the Science Guy (1993 – 1998)

Episode 3 — Marine Mammals

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