"Not gonna pretend there's not a difference between the three of us and the three of them. You know, the original three."
"But--spying on us? I mean, come on.
Dinah and Curtis regarding Oliver, John, and Felicity spying on them and Rene.
"Irreconcilable Differences" is the ninth and midseason finale episode of the sixth season of Arrow, and the one-hundred-twenty-fourth episode overall. It aired on December 7, 2017.


Quentin Lance is kidnapped by Black Siren and Cayden James, who are looking to trade Lance’s life for a weapon of mass destruction. Oliver and Team Green Arrow must figure out a way to save Lance while still keeping the city safe.[1]




Preparation ran from October 5 until October 16, 2017, with a break on October 9 for Thanksgiving. Shooting ran from October 17 until October 26, 2017.[2]


  • In her dance with Rene Ramirez, Thea Queen references both Roy Harper and Chase when wistfully mentioning how "a friend" couldn't come for the wedding and referencing a previous bad experience with a DJ.
  • The splitting of Team Arrow mirrors the first split from "Schism" except this time, Diggle stays with Oliver and Felicity.


  1. Arrow Spoilers: “Irreconcilable Differences” Description - GreenArrowTV
  2. Marc Guggenheim (@mguggenheim) - Twitter