S6E15
Episode 15: Doppelganger
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
Oliver learns that the DA has another witness against him–Roy Harper. Team Arrow set out to find Roy and learn if someone is coercing him to testify. Meanwhile, Black Siren passes herself off as Laurel and claims that she’s been in captivity for two years.