With Oliver and Barry still stuck in the other’s bodies, the two get a lead on John Deegan and head to Gotham City with Supergirl to figure out why their…

Supergirl, The Flash, Green Arrow and Superman engage in the battle of their lives. The crossover starts on The Flash S05E09 Elseworlds (I) and Arrow S07E09 Elseworlds (II).

Meg calls Dean and Sam and tells them Castiel is awake and talking. Meanwhile, a teenager named Kevin gets hit by a bolt of lightening and is turned into a…