Batman: The Long Halloween, Part One is a 2021 animated mystery thriller. It adapts the first half of the iconic 1996 DC Comics miniseries by Jeph Loeb and Tim Sale. Set during Batman's early second year, it follows a trio of allies—Batman, Captain James Gordon, and D.A. Harvey Dent—as they hunt a serial killer who only strikes on holidays. 🔍 Plot Overview Batman: The Long Halloween, Part One Movie Review