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.

On a mission to find the Ishibo, Adam battles a fearsome demon monk. Kai's cry for help summons That Weird Guy, who delivers a warning.