|Control, Part 2|
|Season 4, Episode 10 (70)|
|Control, Part 1||My Last Breath|
PART 1 OF 2: AN UNSUSTAINABLE ILLUSION- As Laurel Lance and Nyssa Raatko take the fight to the Prometheus compound, Thea Queen helps Alexandra Danvers recuperate. D.I.S.C.O.R.D. takes control of her fate. Brainiac makes a startling decision.
- Katie Cassidy as Laurel Lance/Black Canary
- Jessica de Gouw as Helena Bertinelli/Huntress
- Katrina Law as Nyssa Raatko
- Willa Holland as Thea Queen/Speedy
- Katie McGrath as Tess Luthor & Lena Luthor
- Chyler Leigh as Alexandra Danvers
- with Amy Acker as Brainiac
- and Katheryn Winnick as D.I.S.C.O.R.D.
Special Guest StarsEdit
- Michael Rosenbaum as Lex Luthor (Earth-30)
- Melissa Benoist as Kara Danvers (vision)
- Jane Levy as Barbara Gordon (vision)
- Deborah Ann Woll as Andrea Beaumont
- Kristin Kreuk as Evelyn Langstrom
- with John Barrowman as Malcolm Merlyn
- and Brandon Routh as Ray Palmer/ATOM
- Antagonists: Tess Luthor, D.I.S.C.O.R.D., Talia al Ghul
- Title Meaning: D.I.S.C.O.R.D. making her first truly autonomous choice.
- This is the fourth midseason finale.
- This is the 4th midseason finale to feature Laurel, Helena, Thea, Kara, Lena, Carrie, Ray, Malcolm, Talia, Evelyn, and Brainiac.
- This is the 1st midseason finale to feature Nyssa Raatko, E1 Alex, Tess, E10 Lex, Barbara, and Shiva.
- This is the first midseason finale to not feature Nyssa, Sara, and Bruce.
- 1st appearance of Barbara Gordon in this series (albeit in vision form).
- This episode takes place on January 15, 2020.
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