19 December 2023 (Tuesday)
- Comic: The Incredible Hulk (1962) #119
- TV: Batman Beyond s1e05-e06
- Film: Christmas in Connecticut (1945) B
- Comic: The Batman Adventures (1992) #32-36
- Comic: The Batman Adventures Mad Love (1994) #1
- Comic: Batman: Mask of the Phantasm (1993) #1
- Comic: Batman: Black & White (1996) #1
- Comic: The Batman Adventures: The Lost Years (1998) #1-2