Super Robot Monkey Team Hyperforce Go!

Season 4, Episode 10

Episode Title: Secret Society

Air Date: 2006-11-11

Overview:

A mysterious underground cult steals the Skeleton King' skull to gain limitless power, leading to a series of curses that fall upon Shuggazoom. The Hyperforce investigates beneath the city to stop the cult and the catastrophes. Meanwhile, witch Valeena and Mandarin set out to the same location to retrieve the skull.