When the Callisto family is accidentally shrunken down by the Tomorrowland Mail-alien Mr. Xylon, the tiny family must work together to help M.E.R.C. save an off-course starship.
- Cullen McCarthy as Miles Callisto
- Fiona Bishop as Loretta Callisto
- Olivia Munn as Phoebe Callisto
- Tom Kenny as Leo Callisto
- Dee Bradley Baker as M.E.R.C.
- May 31, 2015 (Latin America)
- June 2, 2015 (Germany)
- June 7, 2015 (Spain and Portugal)
- June 13, 2015 (Poland, Romania, Middle East, Africa)
- July 4, 2015 (Hungary)