Take a look @ more new promo footage from the upcoming "Flash" episode "Flash Back", directed by Alice Troughton and written by Aaron Helbing, Todd Helbing, airing March 29, 2016 on The CW:
"...after the shocking revelation that 'Zoom' is 'Jay Garrick' (Teddy Sears), 'Barry' (Grant Gustin) is more determined than ever to get back to 'Earth-2' 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 arch-nemesis,''Dr. Harrison Wells'/'Eobard Thawne' (Tom Cavanagh), to teach him how to run faster.
"However, things don’t go as planned and Barry is stunned to face familiar foe 'Hartley Rathaway' (Andy Mientus), as well as old friend 'Eddie Thawne' (Rick Cosnett). Then 'Iris' (Candice Patton) makes peace with her past in order to embrace her future..."
Click the images to enlarge and Sneak Peek "The Flash: Flash Back"...