Arrow: Doppelganger

{infobox episode }}"Doppelganger" is the fifteenth episode of season six of the superhero action series Arrow, and the 120th episode of the series overall. It was directed by Joel Novoa with a script written by Ben Sokolowski and Spiro Skentzos. It first aired on the CW Network on Thursday, March 8th, 2018 at 9:00 pm. In this episode, Slade Wilson pays a visit to Oliver Queen to help him liberate his son from a foreign prison. Meanwhile, Dinah Drake gets the drop on the new Vigilante and learns his secret identity - and it is someone from her own past. F.B.I. agent Samanda Watson continues to cause headaches for the members of Team Arrow.
 * name      = "Doppelganger"
 * series    = Arrow
 * season    = 6
 * number    = 15
 * image     = File:Arrow 6x15 005.jpg
 * airdate   = March 8th, 2018
 * writer    = Ben Sokolowski; Spiro Skentzos
 * director  = Joel Novoa
 * producer  = James Bamford; Greg Berlanti; Marc Guggenheim; Andrew Kreisberg; Jennifer Lence; Jordan Menn; Wendy Mericle; Carl Ogawa; Todd Pittson; Sarah Schechter; Beth Schwartz; Ben Sokolowski; Jon Wallace; Speed Weed
 * starring  = Stephen Amell; David Ramsey; Willa Holland; Emily Bett Rickards; Echo Kellum; Rick Gonzalez; Juliana Harkavy; Katie Cassidy; Paul Blackthorne
 * previous  = "Collision Course"
 * next      = "The Thantatos Guild"