|Don't Fear The Reaper, Part 1|
|Season 3, Episode 1 (39)|
|Tower of Babel, Part 2||Don't Fear The Reaper, Part 2|
PART 1 OF 3: ARE YOU SCARED?- The Birds set up a new base in Elmond, Oregon. When serial killer Victor Zsasz returns to Elmond and allies himself with Evelyn Langstrom, Helena Bertinelli leads an expanded team to stop them. Meanwhile, Laurel Lance falls off the wagon. Tommy Merlyn and Kara Danvers have conversations about mortality with Norman McKay. Amara pays Ray Palmer a visit.
- 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/White Canary
- Willa Holland as Thea Queen/Speedy
- Katie McGrath as Lena Luthor
- Melissa Benoist as Kara Danvers/Supergirl
- Odette Annable as Samantha Arias/Reign
- Amy Acker as Brainiac
- Rachel Skarsten as Talia al Ghul (Earth 3)
- with Colin Donnell as Tommy Merlyn
- Justin Hartley as Oliver Queen (Earth-19)/Green Arrow
- and Luke Evans as Bruce Wayne
Special Guest StarsEdit
- Michael Fassbender as Vladislaus Dracula
- Chyler Leigh as Alex Danvers
- Kristin Kreuk as Evelyn Langstrom
- Brandon Routh as Ray Palmer/Atom
- Matt Ryan as John Constantine
- with Michael Rosenbaum as Lex Luthor (Earth-30)
- and John Barrowman as Malcolm Merlyn/Dark Archer
- Giancarlo Esposito as Victor Zsasz
- Emily Swallow as Amara
- Amy Gumenick as Carrie Cutter/Cupid
- Rose McIver as Stephanie Brown
- Emma Rigby as Mina Murray
- Rebecca Breeds as Aurora de Martel
- Deborah Ann Woll as Andrea Beaumont
- and Alan Dale as Norman McKay
- Antagonists: Victor Zsasz, Vladislaus Dracula
- This is the first episode set in Elmond, Oregon.
- Third season premiere to feature Laurel, Nyssa, Helena, Sara, Thea, Lena, Kara, Evelyn, E19 Ollie, Malcolm, and Brainiac.
- There is a 5-month time jump between Tower of Babel, Part 2 and this episode.
- This episode takes place on July 2, 2019.