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Quote1 You could gather every genius on every planet, and you still couldn't outthink me. [...] You've done wonders all these years punching gorillas with rudimentary powers, chasing madmen shooting icicles. Those were children with playguns. Savitar, Zoom, Thawne. Their powers are nothing compared to the power of limitless thought. [...] You may be the fastest man alive, Allen. I'm the fastest mind. Quote2
Clifford DeVoe

Therefore I Am is an episode of season 4 of The Flash. It premiered on November 22, 2017.

Synopsis for "Therefore I Am"

Appearing in "Therefore I Am"

Featured Characters:

Supporting Characters:


Other Characters:




  • Central City Bus 405 (Mentioned only)



  • The story continues from the epilogue of the previous episode.
  • DeVoe states that Jack the Ripper was Aaron Kosminski's nurse, Catharine Jewell, but this has never been confirmed.
    • In the Post-Crisis continuity, it's actually revealed that he's a man but his real name was never stated.[1]
  • According to Clifford DeVoe, 2600 metahumans were born the night of the Particle Accelerator explosion.
  • There's a continuity error in this episode as the date of the S.T.A.R. Labs Particle Accelerator explosion is stated to be January 3, 2014 but it canonically happened on December 13, 2014.
    • It is also not a temporal change due to the Flashpoint as December 13, 2014 is also confirmed in the Post-Flashpoint continuity during the events of "What's Past Is Prologue".


  • The title of the episode is the translation of René Descartes's quote, Cogito, ergo sum which is the Latin for "I think, therefore I am".
  • In an alternate reality of a local Multiverse, which was created as a consequence of Barry Allen never creating the Flashpoint,[2] the alternate Team Flash manages to quickly defeat DeVoe's alternate counterpart with the help of H.R. Wells who is still alive due to Savitar never coming to exist in this universe.[3]
    • Curiously, in this episode, Barry is suspended for two weeks which is similar to the alternate Barry being suspended and almost fired on his Earth albeit much earlier.[2][4][5]
  • Wally West mentions fighting a "giant starfish from outer space". This is obviously a reference to the alien supervillain, Starro.
  • Barry mentions Spider-Man's Spider Sense ability.

See Also

Recommended Media

  • None.

Links and References

  • None.


  1. DC's Legends of Tomorrow: "The Great British Fake Off"
  2. 2.0 2.1 The Flash: Hocus Pocus
  3. The Flash: Green Arrow's Perfect Shot
  4. The Flash: Johnny Quick
  5. The Flash: Tornado Twins