"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.[src]


Main Cast

Special Guest Star

Guest Starring





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.[1]


  • In her dance with Rene Ramirez, Thea Queen references Roy Harper when wistfully mentioning how "a friend" couldn't come for the wedding and Chase when reflecting on a previous bad romantic experience with a DJ.
  • The splitting of Team Arrow mirrors the first split from "Schism" except this time, Diggle stays with Oliver and Felicity.
    • The title of this episode is a wedding term for when a couple gets divorced. Due to Oliver and Felicity being married, "irreconcilable differences" mostly refers to Team Arrow and New Team Arrow not resolving their differences.
  • This episode aired a week after Andrew Kreisberg's termination in November 2017 due to sexual harassment allegations. Because of this, he is no longer credited as an executive producer but is still credited in developing several Arrowverse shows, including Arrow.
  • This is the last episode of the series to feature Charlotte Ross and Tom Amandes, as they would not return for the duration of the series.


  • While having shots at the wedding with Dinah and Curtis, Rene raises his glass to his lips but does not drink anything and the full glass disappears off-camera. However, he reacts like he has downed the entire glass.
  • Rene's burger goes from toppled to righted to toppled between shots.


  1. Marc Guggenheim (@mguggenheim) - Twitter
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