“Worlds lived, worlds died. Nothing will ever be the same.” The crossover starts on Supergirl S05E09 Crisis on Infinite Earths: Part One (I), Batwoman S01E09 Crisis on Infinite Earths: Part Two (II), The Flash S06E09 Crisis on Infinite Earths: Part Three (III) and Arrow S08E08 Crisis on Infinite Earths: Part Four (IV)

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7.3

Based on 20 votes

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S04E16 · Hey, World!

S05E02 · Meet the Legends

All episodes of DC's Legends of Tomorrow