The Flash, Arrow, Supergirl, DC's Legends of Tomorrow - 4 Night Crossover Event Sneak Peek (HD)

dc week
dctv
white canary
green arrow
dc's legends of tomorrow
arrow
the flash
supergirl
cw superheroes
4 night crossover event
cw crossover
heroes v aliens
Uploaded by: Dmitriy Matyakubov
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