|Save My City|
|Season 3, Episode 17 (47)|
PART 4 OF 4: A VERY BLOODY NEW YEAR- As the vampires continue to ravage Midway, the birds must make a decision- ally with their enemies or allow their city to die? Malcolm Merlyn makes contact with his associates in Gotham, and Ray Palmer discovers a dangerous new government project. Laurel Lance reaches an impasse.
- Katie Cassidy Rodgers as Laurel Lance/Black Canary
- Katrina Law as Nyssa al Ghul
- Jessica de Gouw as Helena Bertinelli/Huntress
- Caity Lotz as Sara Lance
- Willa Holland as Thea Queen
- Katie McGrath as Lena Luthor/Tess Luthor
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers/Alexandra Danvers
- Amy Gumenick as Carrie Cutter/Cupid
- Rose McIver as Stephanie Brown
- Odette Annable as Samantha Arias/Reign
- Amy Acker as Brainiac
- Kristin Kreuk as Evelyn Langstrom
- Deborah Ann Woll as Andrea Beaumont
- with Michael Rosenbaum as Lex Luthor (Earth-30)
- Luke Evans as Bruce Wayne
- Brandon Routh as Ray Palmer
- and John Barrowman as Malcolm Merlyn
Special Guest StarsEdit
- Paul Blackthorne as Larry Lance
- Grant Gustin as Barry Allen/The Flash
- Charles Michael Davis as Marcel Gerard
- Leah Pipes as Camille O'Connell
- Riley Voelkel as Freya Mikaelson
- Emily VanCamp as Bobbie Winchester
- Gina Rodriguez as Jessica Cruz
- with Max Martini as Slade Wilson (Earth-3)/Deathstroke
- and Michael Fassbender as Vladislaus Dracula
- Lexa Doig as Talia al Ghul
- April Bowlby as Rita Farr
- Rodrigo Santoro as Chato Santana
- Christina Cole as Whisper A'Daire
- Rebecca Breeds as Aurora de Martel
- and Katheryn Winnick as D.I.S.C.O.R.D.
- Antagonists: Vladislaus Dracula, Aurora de Martel, Evelyn Langstrom
- 7th episode this season to feature all main characters.
- Final BOP episode to feature Bruce Wayne, Rita Farr, and Chato Santana, as series regulars.
- This is the third season finale to feature Laurel, Nyssa, Helena, Sara, Thea, Lena, Kara, Carrie, Brainiac, Sam, Bruce, Ray, Rita, Santana, and Malcolm.
- This episode is set on January 1st, 2020.