The Flash 2x17 Sneak Peek Flash Back ( HD)

The Flash 2x17 Flash Back After the shocking revelation that Zoom is Jay Garrick (Teddy Sears), Barry (Grant Gustin) is more determined than ever to get back to Earth2 to stop Zoom forever. Desperate to find a way to increase his speed, Barry decides to travel back in time and masquerade as his earlier self in order to get his archnemesis, Dr. Harrison Wells, Eobard Thawne (Tom Cavanagh), to teach him how to run faster. However, things dont go as planned and Barry is stunned to face familiar foe Hartl