|Season 4, Episode 20 (80)|
|Devil's Eyes, Part 2||Fire Escape|
BURIED TREASURE- When Talia al Ghul discovers a secret League treasure trove, she races against Jade Nguyen to attain it. Laurel Lance comes home to an unexpected visitor. Brainiac has a chat with Nyssa Raatko. Thea Queen discovers more about Malcolm's business deals, while Carrie Cutter and Ray Palmer deal with their indiscretion.
- Katie Cassidy as Laurel Lance/Black Canary
- Katrina Law as Nyssa Raatko
- Jessica de Gouw as Helena Bertinelli/H.U.N.T.R.E.S.S.
- Michael Rosenbaum as Lex Luthor (Earth-30)
- Willa Holland as Thea Queen/Speedy
- Katie McGrath as Tess Luthor (credit only)
- Chyler Leigh as Alexandra Danvers
- with Amy Acker as Brainiac
- and Katheryn Winnick as D.I.S.C.O.R.D.
Special Guest StarsEdit
- Amy Gumenick as Carrie Cutter/Cupid
- Lexa Doig as Talia al Ghul
- Melissa Paulo as Jade Nguyen/Cheshire
- Antagonist: Brainiac
- Tess does not appear in this episode.
- Laurel formally meets DISCORD in this episode.
- Roy was last seen in Like You.
- Jade was last seen in Rise & Fall.
- This episode takes place on January 19, 2020.