The Flash: Episode 2.17 “Flash Back” Synopsis

For everyone wanting to see a truly epic episode of “The Flash,” be sure to watch next week live! “Flash Back” is going to be a huge episode for so many reasons, with one of the biggest ones being that some old favorites are going to be stopping by! Eddie Thawne will be surfacing for the first time since his death, and we’re also going to be seeing Harrison Wells in his Earth-1 form.

Of course, we’re going to be seeing a lot of this thanks to Barry traveling back in time, where he will research another way to figure out how to improve his speed. The synopsis below offer up a little more intel into just how this is all going to play out:

“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 (guest star Andy Mientus), as well as old friend Eddie Thawne (guest star Rick Cosnett). Iris (Candice Patton) makes peace with her past in order to embrace her future.”

Source: CW