Kapiushon

"Kapiushon" is the seventeenth episode of the fifth season of Arrow, and the one-hundred-and-ninth episode overall. It aired on March 22, 2017.

Synopsis
Prometheus goes to great lengths to break Oliver. While Diggle and the team try to rescue the latter. Meanwhile, in the flashbacks, Anatoly becomes worried about Oliver’s increasingly violent tendencies, which come to a head in a brutal confrontation.

Production
Preparation ran from January 19, 2016 until January 27, 2017. Shooting ran from January 30 until February 8, 2017.

Trivia

 * The episode was originally titled "Kapot".
 * The Russian word Kapot (Капот) translates to "a car hood". The actual term for "hood" (as in, headdress) is Kapyushon (Капюшон), what the episode was later roughly retitled to.