Warning: This article contains spoilers from TuesdaysThe Flash, part 3 of the Crisis on Infinite Earths crossover.
With his sacrifice, the heroes managed to (temporarily) stall the anti-matter wave.
Hopefully, we honor the original Flash from the 90s show, said Wallace.

Katie Yu/The CW
This really is the end of him.
To actually bring closure to his incarnation?
Come on, thats a gift, replied Smith.

Katie Yu/The CW
We didnt script that originally.
That was something we added in the editing room, said crossover executive producer Guggenheim.
Were like, You know what?
We want to a little bit of his life flashing (no pun intended) flashing before his eyes.
We just craved it.
Our amazing post-producer Geoff Garrett went to the archives and got the footage.
Its like one of my favorite moments in the hour.