A Growing Problem

"Blasteroid" is the thirty-ninth upcoming episode of the Disney Junior animated series Miles from Tomorrowland, which is scheduled to premiere on August 20, 2015, alongside "The Tardigrade Escapade"

Plot
The Callistos must use robots to save a planet from an invasive species of moss.

Trivia

 * This episode, along with "The Tardigrade Escapade", is dedicated to NASA scientist Claudia Alexander who died of breast cancer on July 11, 2015 in Arcadia, California.