Deathstroke Returns

"Deathstroke Returns" is the upcoming fifth episode of the sixth season of Arrow, and the one-hundred-twentieth episode overall. The episode will act as a two-parter with the following episode.

Synopsis
Slade returns and asks Oliver for help in tracking down his son. When they learn Joe has been taken hostage by mercenaries, their mission to save him gets complicated by a terrible revelation that could shatter Slade’s hopes of reunion forever. Meanwhile, Vigilante reappears in Star City.

Production
Preparation ran from August 15 until August 23, 2017. Shooting ran from August 24 until September 5, 2017, with a break on September 4 for Labor Day.