Watch full Justice League Action Episode 21 online full HD online. Cartoon video Justice League Action Episode 21 online for free in HD.
Following the events of Episode 19, “Plastic Man Saves the World”, the Atom shrinks Superman down to microscopic size so that he can enter the Bottled City of Kandor. But when Brainiac breaks into the Fortress of Solitude and reclaims the bottle, Atom must try to stop Brainiac all on his own.
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