The CW Television Network has released the official synopsis for the upcoming twentieth episode of Arrow an episode that has been titled “Shifting Allegiances” and you can check it out below.
“Shifting Allegiances” — (9:00-10:00 p.m. ET) (Content Rating TBD) (HDTV)
RENE RETURNS TO NTA — Oliver (Stephen Amell) turns to an old friend to help battle Diaz (guest star Kirk Acevedo). Meanwhile, Rene (Rick Gonzalez) is out of the hospital but has a hard time re-adjusting to life as Wild Dog. Also, Lance (Paul Blackthorne) discovers something shocking about Black Siren (Katie Cassidy). Alexandra La Roche directed the episode written by Wendy Mericle & Rebecca Bellotto (#620). Original airdate 4/26/2018.
Arrow airs on Thursdays, on The CW.