Season 2    Episode 17
March 29, 2016    41m    TV-14
74%
After the shocking revelation that Zoom is Jay Garrick, Barry 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, to teach him how to run faster. However, things don’t go as planned and Barry is stunned to face familiar foe Hartley Rathaway, as well as old friend Eddie Thawne. Iris makes peace with her past in order to embrace her future.

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Cast of Flash Back
  • Grant GustinBarry Allen / The Flash
  • Danielle PanabakerDr. Caitlin Snow
  • Carlos ValdesCisco Ramon / Vibe
  • Tom CavanaghHarrison 'Harry' Wells
  • Jesse L. MartinJoe West
  • Candice PattonIris West
  • Rick CosnettEddie Thawne
  • Guy ChristieCop
  • Andy MientusHartley Rathaway / Pied Piper
  • Keiynan LonsdaleWally West
  • Teddy SearsJay Garrick / Zoom

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