arrow_season_4.jpg Arrow | Revenge Trailer | The CW Video of Arrow | Revenge Trailer | The CW THE FLASH 2x10 Trailer 2 - Potential Energy (2016) Grant Gustin Candice Patton THE CW HD Video of THE FLASH 2x10 Trailer 2 - Potential Energy (2016) Grant Gustin Candice Patton THE CW HD