Flash Back
The Flash · Season 2 · Episode 17
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.
Season 2
- Episode 1 · The Man Who Saved Central City
- Episode 2 · Flash of Two Worlds
- Episode 3 · Family of Rogues
- Episode 4 · The Fury of Firestorm
- Episode 5 · The Darkness and the Light
- Episode 6 · Enter Zoom
- Episode 7 · Gorilla Warfare
- Episode 8 · Legends of Today (I)
- Episode 9 · Running to Stand Still
- Episode 10 · Potential Energy
- Episode 11 · The Reverse-Flash Returns
- Episode 12 · Fast Lane
- Episode 13 · Welcome to Earth-2
- Episode 14 · Escape from Earth-2
- Episode 15 · King Shark
- Episode 16 · Trajectory
- Episode 17 · Flash Back
- Episode 18 · Versus Zoom
- Episode 19 · Back to Normal
- Episode 20 · Rupture
- Episode 21 · The Runaway Dinosaur
- Episode 22 · Invincible
- Episode 23 · The Race of His Life