The Flash season 6 premiere established a new date for Barry Allen's mysterious disappearance. 1 / 8
It also established that Barry Allen must die in order to save the universe. 2 / 8
Barry's final fate has been teased since the first episode of The Flash. 3 / 8
The Reverse Flash used a newspaper from the future to chart the timeline to Crisis. 4 / 8
The date was changed to December 10, 2019, thanks to the interference of XS. 5 / 8
In the Crisis comics, Barry was thought to have sacrificed himself to save the universe. 6 / 8
Later comics revealed that Barry had merely become one with The Speed Force. 7 / 8
It remains to be seen if the Monitor's prophecy will come true. 8 / 8