Flash vs. Arrow (Arrow Season 3, Episode 8; The Flash Season 1, Episode 8, 2014) This was the first crossover event in the Arrowerse, a two-part event featuring The Flash and Arrow.

Danielle Panabaker got brutally honest about how much she was paid when The CW did crossover episodes between Arrow and The Flash. "This was one of the first surprises to me. So in Flash's first ...