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Arrowverse Wiki
"Well, then what would I say to you in this situation?"
"You would tell me that when I - you - freed Cayden James, I did it because at the moment at that time in your heart, you thought it was right."
Oliver Queen advising Felicity Smoak on her past mistake

"Reversal" is the fourth episode of the sixth season of Arrow, and the one-hundred-nineteenth episode overall. It aired on November 2, 2017.



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Main cast

Guest starring





Preparation ran from August 2 until August 11, 2017, with a break on August 7 for British Columbia Day. Shooting ran from August 14 until August 24, 2017.[1]


  • Black Siren's sonic scream sign can be heard in the opening title card sequence.
  • According to showrunner Wendy Mericle in the "Inside Arrow" featurette, the title refers to Oliver and Felicity switching roles, where the latter now takes on the role of being a field operative while receiving help from the former.
  • Laurel's short brunette wig that she uses as a disguise features a nod (or rather reverse look) to Black Canary's appearance in the comics; prior to dying her dark hair blonde, Dinah Laurel Lance used to wear a long blonde wig to hide from her enemies.
  • Oliver and Felicity mention their first date three years ago, referencing the events of "The Calm"​​.
  • When commenting about Black Siren's style of murder and seduction of victims, Curtis states that "Black Siren turned Black Widow". This is a reference to the superheroine Black Widow from Marvel Comics who is an operative of S.H.I.E.L.D..
  • While he and Felicity were talking about their own love lives, Curtis mentioned Upswipz.
  • Curtis references the film Planes, Trains and Automobiles when he said that the internet controls "planes, trains and automobiles".
  • This is the first episode to introduce Cayden James on-screen, as he appeared unseen in "Dangerous Liaisons".