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Arrowverse Wiki
For the Supergirl episode, see "Dangerous Liaisons".
"For the past four years, I have watched you do whatever you had to, whatever it took to stop the people threatening this city. How can you stand there and not ask me to do the same thing?"
Felicity Smoak to Oliver Queen on her mission for Helix

"Dangerous Liaisons" is the nineteenth episode of the fifth season of Arrow, and the one-hundred-eleventh episode overall. It aired on April 26, 2017.



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With law implementation organizations incapable to find Chase, Felicity consents to Alena's arrangement to free previous Helix pioneer Cayden James, who made a biometric tracker that can discover anybody, however is as of now in A.R.G.U.S. authority without fair treatment. Lyla plans to utilize James as lure to crush Helix, however Alena, having just foreseen that, discovers James' actual area and leads her group, including Felicity, to the salvage. They are hindered by the group, yet Felicity constrains them to permit Helix to escape with James. Helix closes their association with Felicity, however furnishes her with James' scanner, which she uses to discover that Chase is as of now in the group's den, beginning an ambush. In the interim, Quentin stands up to Rene for not visiting Zoe, however legitimately conceivable. Rene trusts himself to be an inadmissible dad. Be that as it may, Quentin sorts out a visit, making Rene choose to battle to recover guardianship of Zoe. John goes up against Lyla for her ethical equivocalness which prompted their separation beforehand.


Main cast[]

Guest starring[]





Preparation ran from February 10 until February 21, 2017, with a break on February 13 for Family Day. Shooting ran from February 22 until March 3, 2017.[1]


  • The name of this episode comes from the translated title to the French novel first published in 1782, Les Liaisons Dangereuses.
  • When Team Arrow and the police enter the arcade of video game automats, one of them is a light gun shooter game called Maximum Force from 1997.
  • This is the only episode of Arrow to not reference a bow and arrow at all.
    • This is also one of the few episodes to not feature a flashback storyline in any form.
  • This episode introduces Cayden James (albeit unseen), who will play a major role in the sixth season as a main villain.
  • John tells Lyla that Felicity has "gone over to the dark side". This is a reference to Star Wars.
  • This is the second episode of Season 5 not to feature Josh Segarra (Adrian Chase) after "Invasion". However, Adrian appears as Prometheus in a video game.