The show's first season is set in a dystopian fantasy world. While family friendly, it explored unusual story concepts for animation. These include losing loved ones to war.[2] At ABC's request, the second season included episodes devoted to humor, while darker episodes were reduced.[3] Princess Sally wore a jacket beginning in the second season. In the first season she wore only a pair of boots. Also beginning in the second season, Bunnie's upper arm is no longer robotic. Further changes include a new color palette for Rotor, and a flashier look power ring creation.