Skyland Season 2 Episode 6 The Heart of the Arena

Mahad is kidnapped by a Tak, a Machiavellian ringmaster that puts on deadly gladiator shows for the Sphere. Cortes and the rebels manage to track Mahad to the Coliseum where the fights are staged, but it's too late, Mahad has already been lined-up to battle Diwan's prized combatant. Cortes and Lena sneak in and manage to rescue Mahad, but not before a fierce battle with Diwan.