October 21

==Theatrical releases==
*2005 - Shopgirl (Touchstone Pictures)
==Television==
*1987 - The DuckTales episode "Sweet Duck of Youth" premieres in syndication.
*1990 - The Disney Channel Premiere Film Back to Hannibal: The Return of Tom Sawyer and Huckleberry Finn premieres on Disney Channel.
*1993 - The Bonkers episode "Of Mice and Menace" premieres in syndication.
*1994 - The Boy Meets World episode "The Uninvited" premieres on ABC.
*1995
**The Aladdin episode "Two to Tangle" premieres on CBS.
**The Timon & Pumbaa episodes "Mojave Desserted/Beauty and the Wildebeest" premiere on CBS.
*1997 - The Bear in the Big Blue House episode "Water, Water Everywhere" premieres on Playhouse Disney.
*1999 - The Bear in the Big Blue House episode "Halloween Bear" premieres on Playhouse Disney.
*2002 - The Stanley episodes "Woodpecker Woes/P.U. Pup" premiere on Playhouse Disney.
*2004 - The JoJo's Circus episodes "Frown Fighters/Goliath the Great!" premiere on Playhouse Disney.
*2005
**The Little Einsteins episode "Go West, Young Train" premieres on Playhouse Disney.
**The Phil of the Future episode "Pim-Cipal" premieres on Disney Channel.
*2006 - The W.I.T.C.H. episode "S is for Self" premieres.
*2011
**The Wizards of Waverly Place episode "Get Along, Little Zombie" premieres on Disney Channel.
**The Phineas and Ferb episode "Escape from Phineas Tower" premieres on Disney Channel.
**Fish Hooks concludes its first season on Disney Channel with the episode "Fish Talent Show".
**The Jessie episode "Zombie Tea Party 5" premieres on Disney Channel.
*2012 - The Once Upon a Time episode "The Crocodile" premieres on ABC.
*2014 - The Agents of S.H.I.E.L.D. episode "A Hen in the Wolf House" premieres on ABC.
*2015
**The Star Wars Rebels episode "Relics of the Old Republic" premieres on Disney XD (originally premiered at New York Comic Con on October 8).
**The Kirby Buckets episode "The School Spirit" premieres on Disney XD.
*2016
**The PJ Masks episodes "Catboy and the Lunar Dome/Gekko and the Rock of All Power" premiere on Disney Jr.
**The Descendants: Wicked World season two premiere "Slumber Party" premieres on Disney Channel.
*2017
**The DuckTales (2017) episode "The Infernal Internship of Mark Beaks!" premieres on Disney XD.
**The Doc McStuffins episodes "Mermaid in the Midfield/Whole Lotta Hula" premiere on Disney Channel.
*2018 - The Star Wars Resistance episode "Fuel for the Fire" premieres on Disney Channel.
*2019 - The Elena of Avalor episode "The Family Treasure" premieres on Disney Channel.
*2020 - The Vampirina episodes "Chrysalis Amiss/Bringing Down the House" premiere on Disney Jr.
*2022
**The Spidey and his Amazing Friends episodes "Sand Trapped/Too Much Fun" premiere on Disney Channel and Disney Jr.
**The Firebuds episodes "Marsh Mayhem/The Art of Friendship" premiere on Disney Channel and Disney Jr.
**The PJ Masks episode "Heroes of the Road" premieres on Disney Jr.
**The Villains of Valley View episode "Vials and Tribulations" premieres on Disney Channel.
**The Ultra Violet & Black Scorpion episode "Highkey Anxiety" premieres on Disney Channel.
**The Raven's Home episode "Stylin' & Profilin'" premieres on Disney Channel.
*2023
**The Big City Greens episodes "Iced/Chipped Off" premiere simultaneously on Disney Channel and Disney XD.
**The Kiff episodes "When You Mow, You Mow/Harry's Maturity Crisis" premiere simultaneously on Disney Channel and Disney XD.
**The Hamster & Gretel episodes "No Sprain, No Gain/Finding Professor Ex" premiere on Disney Channel.
**The Hailey's On It! episodes "Scott's On a Roll/Bye Bye Birdies" premiere simultaneously on Disney Channel and Disney XD.
==Online==
*2023 - The Chibi Tiny Tales short "Hercules: As Told By Chibi" releases on the Disney Channel YouTube channel.
==Home media==
*2003 - George of the Jungle 2
*2008 - Have Yourself a Goofy Little Christmas
==Video games==
*2004 - The Nightmare Before Christmas: Oogie's Revenge is first released in Japan for PlayStation 2 only.
*2008
**High School Musical 3: Senior Year Dance is released for Wii and Nintendo DS.
**Disney TH!NK Fast is released for Wii and PlayStation 2.
*2014 - Fantasia: Music Evolved
==Theme park happenings==
*2018 - Rafiki's Planet Watch closed.
==People==
===Births===
*1911 - Mary Blair † (visual development artist)
*1956 - Carrie Fisher † (actress, writer, and humorist)
*1960 - Paul Rugg (screenwriter, producer, puppeteer, actor, voice actor, and comedian)
*1976 - Andrew Scott (actor and voice actor)
===Deaths===
*2015 - Marty Ingels (actor, voice actor, comedian, comedy sketch writer, and theatrical agent)
*2020 - Marge Champion (dancer, choreographer, and actress)
pt-br:21 de Outubro
Category:Days in Disney history