|Season 4, Episode 12 (72)|
|Please Don't Go||Superhero Club|
- Katie Cassidy as Laurel Lance/Black Canary
- Katrina Law as Nyssa Raatko (credit only)
- Jessica de Gouw as Helena Bertinelli (credit only)
- Willa Holland as Thea Queen (credit only)
- Katie McGrath as Tess Luthor (credit only)
- Chyler Leigh as Alexandra Danvers (credit only)
- with Amy Acker as Brainiac (credit only)
- and Katheryn Winnick as D.I.S.C.O.R.D.
- Antagonists: D.I.S.C.O.R.D.
- Nyssa, Thea, Tess, Alexandra, and Brainiac do not appear in this episode.
- This is the first episode of the series to feature only 2 series regulars.
- This is the 3rd episode of the series in which no male characters are present.
- This is the first episode of the series to only feature 2 characters.
- This episode takes place the night of January 19, 2020.
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