- 1980 - The Aristocats (theatrical rerelease)
- 1986 - Lady and the Tramp (final theatrical rerelease)
- 2002 - 25th Hour (Touchstone Pictures)
- 2012 - Monsters, Inc. (3D rerelease)
- 2018 - Mary Poppins Returns
- 1957 - The Zorro episode "Double Trouble for Zorro" premieres on ABC.
- 1958 - The Walt Disney Presents episode From All of Us to All of You premieres on ABC.
- 1987 - The Disney's Adventures of the Gummi Bears season three finale, "Gummi Dearest" premieres on NBC.
- 1992 - Disney's Christmas Fantasy on Ice premiere on CBS.
- 1998 - The Recess episode "Yes, Mikey, Santa Does Shave" was going to premiere on ABC. However, due to the channel running news about President Bill Clinton's impeachment, One Saturday Morning was pre-empted and the episode's premiere date was moved to December 26.
- 1999 - PB&J Otter premieres on Playhouse Disney with the episode "Baby Butter's Bankie/Three Super Otters".
Theme park happenings
- 1984 - Country Bear Christmas Special debuts at Walt Disney World.
- 1998 - Test Track has a soft opening at Epcot.
- 2018 - The Tropical Hideaway has a soft-opening at Disneyland
VHS & DVD releases
- 2006 - Invincible, Walt Disney Treasures: Your Host Walt Disney, Walt Disney Treasures: The Complete Pluto, Volume 2, Walt Disney Treasures: More Silly Symphonies, Walt Disney Treasures: The Hardy Boys - The Mickey Mouse Club, and Step Up (Touchstone Home Entertainment)
- 1914 - Mel Shaw (animator, design artist, writer, and artist)
- 1915 - Ken O'Brien (animator)
- 1925 - Robert B. Sherman (songwriter)
- 1952 - Linda Woolverton (screenwriter, producer, author, and playwright)
- 1962 - Jill Talley (actress)
- 1963 - Til Schweiger (actor, director, and producer)
- 1968 - Ken Marino (actor, comedian, director, and screenwriter)
- 1969 - Kristy Swanson (actress)
- 1971 - Amy Locane (actress)
- 1972 - Alyssa Milano (actress, producer, and former singer)
- 1980 - Jake Gyllenhaal (actor)
|≪||December 18||Timeline||December 20||≫|
Community content is available under CC-BY-SA unless otherwise noted.