During a mission to Antheia, a planet completely covered with orange plants, the Callistos discover something even stranger than the plants.
- 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.
- Danny Jacob as Admiral Watson
- Diedrich Bader as Admiral Crick
- The title is a play on the film Planet of the Apes.
- This is the only episode in the series where Loretta becoming upside-down, then later right-side up again.
- May 30, 2015 (Latin America)
- June 5, 2015 (Germany)
- June 6, 2015 (Spain, Portugal, Poland, Romania, Middle East, Africa)
- July 5, 2015 (Hungary)
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