Voltron, Defender of the Universe: Lion Force

Keith, Sven, Pidge, Hunk and Lance scour the surface of Planet Arus, looking for brave citizens willing to help them fight Zarkon. Scared because of the recent attacks, only Princess Allura herself is willing to join Voltron Force. When King Zarkon's best gladiator is turned into a Robeast by Hagar, not even Voltron can stop it. Only if Allura can find a way to help with Arus be saved.