Captured by Minotaurs and imprisoned in a labyrinth, the teens face a grisly fate: becoming dinner for a snot-spewing monster.

The kids meet the Four Horsemen of the Apocalypse. While Mira tries to help Death's sick steed, Kai puts his mechanical skills to work.

Adam, Mira and Kai spy a lighthouse and send out a distress signal -- only to stumble into a bizarre new world inhabited by a mysterious being.