The CW has released the official description and trailer for the sixth episode of ARROW's fourth season titled "Lost Souls" featuring the return of Brandon's Ray Palmer. The episode airs November 11 at 8/7c.
Update: TV Line and EW have some scoop about this episode.
BuddyTV has video of Brandon talking about returning:
GiveMeMyRemoteTV has video of Brandon talking about his return:
Preview some clips from the episode:
“Lost Souls” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)
RAY PALMER RETURNS FROM THE DEAD — Felicity (Emily Bett Rickards) is frantic when she learns that Ray (guest star Brandon Routh) is alive and being held by Damien Darhk (guest star Neal McDonough). Felicity’s guilt over not finding Ray sooner causes tension between her and Oliver (Stephen Amell). Meanwhile, Sara (guest star Caity Lotz) joins Laurel (Katie Cassidy), Thea (Willa Holland) and the team on a rescue mission for Ray. However, the effects of the Lazarus Pit take over and threaten to jeopardize the entire operation. Donna Smoak (guest star Charlotte Ross) returns to Star City. Antonio Negret directed the episode written by Beth Schwartz & Emilio Ortega Aldrich (#406). Original airdate 11/11/2015.