Batman: The Long Halloween, Part One
- Curs: 2021
- País: United States of America
- Gènere: Animation, Mystery, Action, Crime
- Estudi: DC Entertainment, Warner Bros. Animation
- Paraula clau: holiday, superhero, based on comic, crime family, aftercreditsstinger, dcamu (tomorrowverse)
- Director: Chris Palmer
- Repartiment: Jensen Ackles, Josh Duhamel, Naya Rivera, Billy Burke, Titus Welliver, Troy Baker