Watch a preview clip below from "Fallout" featuring the return of Deathstroke played by Manu Bennett.
THE AFTERMATH — Oliver (Stephen Amell) deals with the fallout of the explosion on the island. James Bamford directed the episode written by Marc Guggenheim & Wendy Mericle (#601). Original airdate 10/12/2017.
Arrow airs Thursdays at 9pm ET following Supernatural.