8. We Need to Talk about Liplor (2017)
After years of searching, Rex's brother, Titanium Dax, becomes the second Subtopian ever to breach Earth's surface. He and his rock monster slave, Liplor, are thrilled to find Rex alive, but their reunion is soured when Dax threatens to reveal a secret about Rex's origins.
Release date: 2017-04-06
Season number: 2
Episode number: 8
Runtime: 22 minutes
Cast
Rest of the cast - click here to expand
Tucker Gilmore - Black Saturn, Tom Root - Brad