The Flash Timeline Explained: How is Thawne Still Alive in the Future?

The Flash's 100th episode, "What's Past is Prologue," revealed that Barry's daughter, Nora, is working with his longtime nemesis, Eobard Thawne, in the future. We break down how Thawne is still alive following his appearances in Crisis on Earth X and DC's Legends of Tomorrow.

Arrowverse Elseworlds Crossover: Extended Trailer
https://www.youtube.com/watch?v=sEEC2NcpDvU

Arrowverse Elseworlds Crossover Trailer - Batwoman, Superman
https://www.youtube.com/watch?v=_yk2qvEl7_k

Arrow is Bringing Back the '90s Flash: Is Smallville Next?:
https://www.youtube.com/watch?v=stw78IpuKYE

Arrow and The Flash - Superhero/Supervillain Fight Club:
https://www.youtube.com/watch?v=EnLcV1ASZQw

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