TBA Arrow Season 3 Episode 20 The CW UK Release DateThe tv series Arrow Season 3 Episode 20 upcoming The CW release date in the UK is to be announced. Notify me!Release Dates!Report Date / Submit ProductUKAllUSAUKReport Date / Submit ProductThe CWTBAConfirmedTrackingTrack1TRACK0Pre-OrderArrow Season 3 Episode 20TV SeriesThe CWNo plot description yet.TV14ActionAdventureCrimeDramaMysterySci-FiStephen AmellKatie CassidyDavid RamseyColton HaynesS03E20