The Zeo Rangers lose the Zeo Megazord to the clutches of Cog-Changer, and the Super Zeo Megazord to Impursonator, leading to Rita & Zedd's monster battling Mondo & Machina's, using the Zords of their shared enemies! Added help by the Aquitian Rangers may aid in the fight, but no matter what the Rangers do, the old, gray Billy's time on this Earth is numbered... Meanwhile, Bulk & Skull take the test to get their detectives licenses, right in the middle of a monster attack.