'Planet of the Capes' part three! The Super Sons find themselves blasted across the cosmos to a weird world called Yggardis. As Superboy and Robin endeavor to stop this strange place's super-powered factions from killing each other, can a horde of ultra-powerful aliens, some sentient multiversal clay and a showdown with the villain Kraklow stop them from getting back to Earth? Date Available: 09/20/2017