To save former member Zenith, the League of Freedom travels to the Godsrealm to fight her evil Uncle Ridan; Robobot learns what it means to be a real boy as Rex must prove to be a hero true in order to wield the Sword of Azimuth.
Cooch claims that leprechauns are attacking Storm City, and when it turns out to be true, the League of Freedom is drawn into a battle with assorted mythical creatures. The injured Black Saturn recruits Courtney to join the fight in a mechanized suit.
Ivan Whiff returns to help the League refurnish their mansion with items from his Swedish furniture store. While Whiff tries to recruit Robobot onto his new team, Black Saturn tries to lure Bugula into a hero-nemesis relationship.
Claudette, Cooch's former owner, returns with a lawyer seeking to get her cat back, so Robobot agrees to represent Rex in the upcoming trial; the Groaner tries to discern the true meaning behind Black Saturn's name.