SN 7 | EP 9 | Elseworlds (Part 2)

With Oliver (Stephen Amell) and Barry (guest star Grant Gustin) still stuck in the other's bodies, the two get a lead on John Deegan (guest star Jeremy Davies) and head to Gotham City with Supergirl (guest star Melissa Benoist) to figure out why their reality has changed.

Available: The CW, iTunes Store

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