With a ninth season confirmed for The Flash, showrunner Eric Wallace found himself a lot busier all of a sudden – as he had written the final episode of season eight as a series finale.
However, when Grant Gustin gave the nod for another series, Wallace had to make some big changes to that episode.
They had to change the final scene in which Barry (Gustin) and his wife Iris (Candice Patton) stop the Negative Forces’ season-ending reign of terror, nearly leading to Armageddon.
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“We had to rewrite it three different times,” he told TVLine. “Because when it was a series finale, we had to have a much more deep conversation with Barry and Iris, dealing with the fact that they were going to have kids soon.
“It was a little bit sexier, and it was a lot more romantic of a scene,” he noted. “I really liked it.”
He also noted that if it were to be a series finale, everyone would have got proper goodbye moments, but when they didn’t need them anymore, Wallace had another idea.
Related: The Flash boss explains season 8 finale death and that cliffhanger
“But when we found out we had another season to play with, that meant, ‘Ooh, I can tease next year’s Big Bad? All right, let’s do that!’ So that final scene changed radically.
He kept most of the big, epic battle between The Flash and Tom Cavanagh’s Negative Reverse-Flash, but that caused a bit of an issue because how do you top that?
“So we were like, ‘Oh crap, we just did the ultimate battle. How are we supposed to ever top that?’ Then it was like, ‘Let’s just kill him for now and worry about that later.'”
The Flash airs on The CW in the US. Sky Showcase and NOW air the show in the UK.
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