Batman: The Brave and the Bold Season 1 Episode 21 Duel of the Double Crossers! Episode Title:Duel of the Double Crossers!.Episode Description:Teaser: Batman trains the Outsiders (Black Lightning, Katana, and Metamorpho) by putting them through a simulation where Despero is attacking the city. Main Plot: Mongul saves Jonah Hex's life but then forces Hex to work as his bounty hunter in order to recruit soldiers for his Warworld. When he crosses paths with Batman following his fight with Zebra-Man, Hex captures Batman and reveals that he is working off a debt that will allow him to return to his own time. On Warworld, Batman fights Steppenwolf and other aliens in Mongul's gladiator arena. Jonah Hex also has his encounters with Mongul's sister Mongal and her fighters Lashina and Stompa. He and Batman try to free the aliens.