Batman: The Long Halloween, Part One
- Gore: 2021
- Nyika: United States of America
- Genre: Animation, Mystery, Action, Crime
- Studio: DC Entertainment, Warner Bros. Animation
- Keyword: holiday, superhero, based on comic, crime family, aftercreditsstinger, dcamu (tomorrowverse)
- Mutungamiriri: Chris Palmer
- Cast: Jensen Ackles, Josh Duhamel, Naya Rivera, Billy Burke, Titus Welliver, Troy Baker