"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.


Oliver, Team Arrow, A.R.G.U.S and the SCPD kick off a citywide manhunt for Adrian Chase. Helix tells Felicity they have a way to find Chase but they will need something big, and illegal, from her in return.[1]




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.[2]


  • The name of this episode comes from the translated title to the French novel 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 (unseen), who will play a major role in Season 6.
  • John tells Lyla that Felicity has "gone over to the dark side". This is a reference to Star Wars.


  1. Arrow Spoilers: "Dangerous Liaisons" Description - GreenArrowTV
  2. Marc Guggenheim (@mguggenheim) - Twitter