The Arrow episode Three Ghosts sees the origin of Barry Allen as The Flash.
The CW is re-airing the Arrow episode that introduced Barry Allen tonight.
Andrew Kreisberg talks about Barry Allen on Arrow
New photos of Grant Gustin as Barry Allen in the Arrow episode Three Ghosts
DC All Access episode with Andrew Kreisberg and Grant Gustin
Grant Gustin’s run as Barry Allen continues in the December 11 episode of Arrow, and after tonight’s show, The CW released a new trailer. Enjoy: If...
Extended promo for the Arrow episodes The Scientist and Three Ghosts, featuring Grant Gustin as Barry Allen
Official description for the Arrow episode Three Ghosts, featuring Grant Gustin as Barry Allen
Promo trailer for the Arrow episode The Scientist, featuring Grant Gustin as Barry Allen
The Flash's pilot episode will no longer be the 20th episode of Arrow's second season.