|Season 1, Episode 4|
|What We Live For||Black Mask|
Signal Fire is the fourth episode of Batman Season 1 and the 4th episode overall.
PART 1 OF 3: BATMAN HUNTS FOR BANE'S EMPLOYER- As his efforts to track down Roman Sionis continue to come up dry, Bruce Wayne struggles to balance his romantic life with his nightly activities, on top of leading Wayne Enterprises. In the end, he seeks solace in the arms of an old frenemy. Jason Todd confesses his sins to Julie Madison and Alfred Pennyworth. Harvey Dent and James Gordon lead the manhunt for Sionis while CJ Maroni solidifies her power in the criminal underworld.
- Luke Evans as Bruce Wayne/Batman
- Aaron Paul as Jason Todd
- Rose McIver as Stephanie Brown/Spoiler
- Andrew Scott as Harvey Dent
- Jonathan Rhys Meyers as Victor Fries
- India de Beaufort as Julie Madison
- Katrina Law as Nyssa al Ghul
- Rachel Skarsten as Talia al Ghul (Earth 3)
- Jessica de Gouw as Helena Bertinelli/Huntress
- Diogo Morgado as Bane
- Erin Cahill as CJ Maroni
- Crystal Reed as Sofia Falcone
- with Jonathan Pryce as Alfred Pennyworth
- John Barrowman as Malcolm Merlyn
- and Bryan Cranston as Commissioner James Gordon
- Michael Kelley as Oswald Cobblepot
- Giancarlo Esposito as Victor Zsasz
- Emma Lahana as Maria Falcone
- with William Fichtner as Roman Sionis
- and Erik King as Gavin King/Orpheus
- Antagonists: CJ Maroni, Victor Zsasz
- 4th episode this season to feature all main characters.
- This episode takes place on January 18, 2020.