At Mysticor's Annual Trickster Competition, Shadow Weaver appears, disguised as a young girl. By tricking the Rebels with her assumed identity, she sends She-Ra into the 6th Dimension, a place from which no one has ever returned from. The only ones on hand to do the rescuing are Kowl, Madame Razz, and Broom and they must overcome their fears if they're ever going to see She-Ra and or their other friends again... (thetvdb.com)