TED-Ed
The Weird and Wonderful Metamorphosis of the Butterfly
How does a caterpillar become a butterfly? Watch a video that details the metamorphosis of a butterfly, and discover a world of insects that also undergo metamorphosis.
PBS
Pbs Learning Media: Butterfly Life Cycle Fitness
Science and exercise unite in this Kindergarten through 5th grade video! Students learn about the life cycle of a butterfly while performing certain physical tasks at each stage.