"My brother needed me, the green one."
Diggle seeing Oliver as his brother over Andy
"Brotherhood" is the seventh episode of the fourth season of Arrow, and the seventy-sixth episode overall. It aired on November 18, 2015.


Team Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Thea's bloodlust returns and she loses control in front of Alex.[src]



  • In this episode, Andy Diggle is said to be dead for 8 years, but it's actually been not more than 6 years, since he was last seen alive in Season 3's "The Return" in a flashback at Tommy Merlyn's party.


Preparation ran from September 10 until September 18, 2015. Shooting ran from September 21 until October 1, 2015.[1]


  1. Marc Guggenheim (@mguggenheim) - Twitter

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