Stephen Amell appears to be back in his season 4 costume.
Sleeveless Mondays. Huh. #Arrow pic.twitter.com/Adoas9lE4l
— Stephen Amell (@StephenAmell) March 6, 2017
As for what they could be filming...
If what I just read isn't a dream sequence for 520 @MGuggenheim then I'm possibly done with #Arrow
— Canadagraphs (@canadagraphs) March 6, 2017
I can expand on that cryptic tweet for #Arrow
— Canadagraphs (@canadagraphs) March 7, 2017
Yes, it's Olishitty related unfortunately.
Episode 20 of this season of Arrow could be my least favourite episode of the entire season đŸ¤¢
— Ken (@pursuit23) March 6, 2017