It's the first day at Hero Elementary! The heroes meet each other for the first time, and they learn about the superpowers everyone shares: the Superpowers of Science! Then, Sparks' Crew goes on their first mission. They try to catch a baby hamster that is zipping around town causing chaos! Will they find a way to get this little blur of fur to come to them?

Originally released by PBS, 2021. Streaming video file encoded with permission for digital streaming by Infobase on May 23, 2023.