Justice League Action (2016)

S1E18 Field Trip

While Superman shows Blue Beetle, Firestorm, and Stargirl around the Fortress of Solitude, they unexpectedly encounter General Zod, Faora, and an unknown Kryptonian adversary who have been accidentally released from the Phantom Zone. With Superman now imprisoned, the three young heroes must join forces to confront and thwart the Kryptonian threats.