Tim and Kara recall the first time they worked together, as they must stop the inmates at Arkham from escaping.
Batman runs a computer simulation, where Gorilla Grodd wins and rules the world.
Superman, Lois and Jimmy head for Ireland, and learn the origin of Silver Banshee.
With help from Lola Dent, the Justice League is able to get back to their Earth. The Tangent Superman recruits the New Earth enemies.
As the heroes close in on the Tangent Superman, he sets free his secret weapon, the Tangent Ultra-Humanite.
The Justice League tries to find Flash and Green Lantern. The Tangent Superman's sleeper agent reveals herself to the Secret Six.
Batman breaks into the Core to try and determine for himself if the Earth-9 Superman is good or evil.
The Tangent Earth Superman has kidnapped all the New Earth leaders, and tries to convince them to accept his leadership of Earth.
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