"Sea Change" is the second segment of the seventy-third episode of Miles from Tomorrowland. It premiered on May 14, 2018 alongside "Aggro's Jam", and is the second segment of the nineteenth episode in the third season.
Nemesystems ships endanger a water-covered planet with malfunctioning engines.
- Justin Felbinger as Miles Callisto
- Fiona Bishop as Loretta Callisto
- Sam Lavagnino as Blodger Blopp
- Issac Brown as Haruna Kitumba
- Ivy Bishop as Mirandos
- Ginger Zee as Dr. Zephyr Skye
- This episode was nominated for an Environmental Media Award.