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The Flash, Arrow, Supergirl, DC's Legends of Tomorrow 4 Night Crossover Event Trailer (HD) - YouTube
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The Flash on Twitter: "The Flash: https://t.co/nTDgOdq3JU Arrow: https://t.co/dwr19ydnd0 DC's Legends of Tomorrow: https://t.co/u3rV5RWAD4 https://t.co/wop1GleF7G" / Twitter
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WATCH: Stephen Amell teases the four night Arrow, Flash, Legends of Tomorrow and Supergirl crossover PLUS bringing Supergirl over to Earth 1 - Following The Nerd - Following The Nerd
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The Flash, Arrow, Supergirl, DC's Legends of Tomorrow 4 Night Crossover Event Extended Promo (HD) - YouTube
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DC TV Watch: 'Arrow' 'The Flash' 'Supergirl' 'Legends of Tomorrow' 'Gotham' Burning Questions – The Hollywood Reporter
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