|Season 1, Episode 15 (15)|
|The Ruins, Part 3||The Huntress|
SARA'S TIME IN THE LEAGUE- Nyssa and Sara return the early days of Sara's time with the League of Assassins when Malcolm attempts to assassinate the pair. Tommy dreams of Amara and Thea looks to Bruce for guidance regarding Malcolm's return.
- 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/Ta-er al-Sahfer
- Willa Holland as Thea Queen
- Katie McGrath as Lena Luthor
- Odette Annable as Samantha Arias
- Amy Acker as Raven Turing
- Rachel Skarsten as Talia al Ghul (Earth 3)
- with Colin Donnell as Tommy Merlyn
- and Luke Evans as Bruce Wayne/Batman
Special Guest Stars
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