"Astro-Cavers" is the second segment of the thirty-second episode of Miles from Tomorrowland. It premiered on June 27, 2016 alongside "The Blobbysitters", and is the second segment of the second episode in the second season.
Miles' eagerness to go Astro-caving with Uncle Joe and the Cosmic Explorers makes him overlook his preparations.
- Justin Felbinger as Miles Callisto
- Sam Lavagnino as Blodger Blopp
- Fiona Bishop as Loretta Callisto
- Olivia Munn as Phoebe Callisto
- Tom Kenny as Leo Callisto
- Dee Bradley Baker as M.E.R.C.
- Issac Brown as Haruna Kitumba
- Adrian Grenier as Captain Joe