[s5e8] What's Past Is Prologue May 2026

: Critics from Culturefly and IGN highlighted Tom Cavanagh’s performance as Eobard Thawne, particularly in the tense scenes with Nora, as a major standout.

: Includes guest stars Michelle Harrison, John Wesley Shipp, and Teddy Sears. [S5E8] What's Past is Prologue

is the 100th episode of The Flash , originally airing on December 4, 2018. It serves as a commemorative milestone that balances a trip down memory lane with the urgent need to defeat the season’s "Big Bad," Cicada. Critical Consensus : Critics from Culturefly and IGN highlighted Tom

: The episode succeeds in showing Nora the darker parts of her father’s history, though IGN argued it didn't fully realize its potential for deeper character development beyond the nostalgia. It serves as a commemorative milestone that balances

The episode received a generally positive response, holding a on Rotten Tomatoes based on 14 reviews. While many critics praised its "Flash-tastic" celebratory nature, some noted that it occasionally felt like a "clip show" of previous seasons. Review Highlights