Johnny Avonasac, a tennis player, finds a mysterious potion left behind by his dead brother that transforms into Johnny Casanova, an overweight slob who also happens to be a magnet for women, including Lana.
A superhuman woman arrives from an alien world in search of husband, causing destruction in her wake. To stop her, Superboy must pass her romantic test, all while teaching her the true meaning of love.
The deceptive Dr. Winger transports Lex Luthor into an alternate earth, luring Superboy into the portal to rescue him by holding Lana captive. But when Superboy arrives in the strange world his powers are weak and Lex is stronger than ever!
Still trapped in Dr. Winger's alternate earth, Superboy encounters a homeless Lana and an alternate version of himself, an evil dictator called Sovereign. To escape and save Lana, he must battle Sovereign, all while hoping Lex will come to his aid.
Capital City finds itself in the middle of a mystery as random fires keep appearing all over the city. When Superboy investigates he discovers a connection to an ancient tribe of flying warriors called the Katia.