Episode Title:Guardians for Sale.Episode Description:A monstrous Guardian appears at the dojo but Bo appears as the Defenders go to fight it, claiming it's his Guardian he's now a Defender, but it goes wild and they must defeat it. They track the source to Si'i, a black market guardian salesman. The defenders have to face mutant guardians and Si'i crafts all their guardians together. The beast runs off after Brackus, channeling their Defenders' distrust over him...