May 21

==Television==
* 2021: See Us Unite for Change: The Asian American Foundation (TAAF) in Service of the AAPI Community airs simultaneously on the Nickelodeon networks.
===Episode premieres===
Year	Show 	Episode(s)
1990	You Can't Do That On Television 	"Blame"
2000	Caitlin's Way 	"Puppy Love"
2001	Dora the Explorer 	"Little Star"
2006	Romeo! 	"The Tipping Point"
2006	Just for Kicks 	"Freudian Kick"
2008	Tak and the Power of Juju 	"Beautiful Girls"
2009	Wonder Pets! 	"The Amazing Ollie!" / "Help the Monster!"
2009	Back at the Barnyard 	"Cupig"
2010	The Backyardigans 	"Robot Rampage"
2011	Victorious 	"Prom Wrecker"
2011	Big Time Rush 	"Big Time Prom King"
2013	Lalaloopsy 	"Tower of Treasure"
2015	Bubble Guppies 	"The Glitter Games!"
2016	Game Shakers 	"Revenge @ Tech Fest"
2018	Peppa Pig 	"Peppa Goes to Paris" / "Grandpa Pig’s Pond" / "Once Upon a Time" / "Super Potato" / "Playgroup Star"
2019	Abby Hatcher 	"Princess Flug's Pet Slug"
2021	Blue's Clues & You! 	"Blue's Big Neighborhood Adventure"
2021	The Loud House 	"Director's Rut" / "Friday Night Fights"
2021	The Barbarian and the Troll 	"Mapmaker, Mapmaker, Make Me a Map"
2021	Peppa Pig 	"Strawberries" / "Pizza! Pizza!" / "Grandpa Pig's Birthday"
2024	The Patrick Star Show 	"Much Tofu About Nothing"
2024	The Fairly OddParents: A New Wish	"The Department of Magic Violations"
==Home video==
* 2013: The Legend of Korra, Book 1: Air DVD and Blu-ray
* 2014: Rocket Power: The Complete First Season DVD
* 2019: The Loud House: Relative Chaos (Season 2, Volume 1) DVD
==Comics==
* 2019: The Legend of Korra: Ruins of the Empire, Part One
==People==
===Births===
* 1958: Tim Hill (filmmaker)
===Deaths===
* 2005: Howard Morris
May 21