"I know what building H.I.V.E. is planning on taking down: it's this one."
Felicity discovering the Demolition Team's next move
"Code of Silence" is the fourteenth episode of the fourth season of Arrow, and the eighty-third episode overall. It aired on February 17, 2016.


Oliver and team uncover H.I.V.E.'s plan to take out Team Arrow once and for all. With H.I.V.E.'s next attack imminent, Lance wonders if Donna is safer without him in her life. Meanwhile, with the wedding fast approaching, Oliver begins to feel guilty that he hasn't told Felicity about his son.[src]


Preparation ran from December 4 until December 14, 2015. The first part of shooting ran from December 15 until December 18, 2015. The second part of shooting ran from January 5 until January 8, 2016.[1]




  • This episode shares its title with the 1985 Chuck Norris film of the same name, Code of Silence.
  • This episode introduces the Demolition Team. In the DC comics, they are traditionally enemies to Green Lantern and Superman.
  • Oliver tells Curtis Holt that he's "terrific", which is a reference to his comic counterpart's codename, Mister Terrific.
    • This is also a foreshadowing of Curtis becoming Mr. Terrific in Season 5.
  • This episode marks Lyla Michaels becoming the new director of A.R.G.U.S..
  • At Oliver's and Felicity's engagement party, Laura Hoffman, their former neighbor from Ivy Town, says she has the perfect wedding gift for them. Felicity guesses it's a slow cooker. This is a reference to "Green Arrow" when Laura and Adam Hoffman recommended Oliver and Felicity buy a slow cooker.


  • Around 34:30, as Thea and Laurel fight Rosie and the camera closes in on Diggle, the cameraman's shadow is clearly in sight.


  1. Marc Guggenheim (@mguggenheim) - Twitter

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