SuperMansion: Season 2, Episode 8

2 - 8: We Need to Talk About Liplor

After years of searching, Rex's older brother, Titanium Dax, becomes the second Subtopian ever to find his way to the earth's surface. He and his rock monster slave, Liplor, are thrilled to find that Rex is alive and well, but their reunion is soured when Dax threatens to reveal a dangerous secret about Rex's origins.