You will Watch Legion of Superheroes Season 2 Episode 4 online for free episodes with HQ / high quality. Stream cartoons Legion of Superheroes Episode 17 Chained Lightning Lightning Lad discovers that his sister, Ayla, long thought to be lost in the same Lightning Beast attack that gave him and his brother, Mekt, their powers, is really alive. However, Ayla is now in the form of pure electromagnetic energy. Lightning Lad must find a way to save Ayla before Imperiex can harness this energy for his own diabolical use.
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