Bill Nye explains how cold-blooded amphibians can live both on land and in water. And, he demystifies the process of metamorphosis.

Title from title screen. Label title: Disney presents Bill Nye the science guy-- Amphibians. Originally an episode of the television program Bill Nye, the science guy. Special features include: interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews, and demos. Closed-captioned.