"A Growing Problem" is the first segment of the twentieth episode of Miles from Tomorrowland. It premiered on August 20, 2015, alongside "The Tardigrade Escapade".
The Callistos must use robots to save a planet from an invasive species of moss.
- This episode, along with "The Tardigrade Escapade", was dedicated to NASA scientist Claudia Alexander who died of breast cancer on July 11, 2015 in Arcadia, California.
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