December 20

==Television==
* 2010
** This date marks the first and only time that Dino Dan has aired on Nickelodeon.
** Wow! Wow! Wubbzy! airs for the last time on Nickelodeon.
* 2015: The X's airs for the last time on NickToons.
* 2019: RBUK airs for the last time on NickToons.
* 2020: Drake & Josh, Group Chat with Jayden & Brent, and Unleashed air for the last time on NickToons.
* 2021: All Grown Up! airs for the last time on TeenNick.
===Episode premieres===
Year	Show 	Episode(s)
1992	Rugrats 	"Visitors from Outer Space" / "The Case of the Missing Rugrat"
1997	Kenan & Kel 	"Bye Bye, Kenan: Part 1"
2002	The Fairly OddParents 	"Shelf Life" (Australia)
2010	Dino Dan 	"Twas a Dinosaur" / "To Flee or Not to Flee"
2011	Winx Club 	"Finding Your Way"
2013	Peppa Pig 	"Mr. Potato's Christmas Show" / "Bedtime Story" / "The Noisy Night" / "Madame Gazelle's Leaving Party" / "Grandpa Pig"
2015	Miraculous: Tales of Ladybug & Cat Noir	"Stormy Weather"
2017	Thomas & Friends 	"Emily in the Middle"
2019	PAW Patrol 	"Pups Save a White Wolf" / "Pups Save a Wrong Way Explorer"
2019	The Adventures of Paddington 	"Paddington Finds a Pigeon" / "Paddington and the Chores List"
2019	Top Elf 	"Gingerbread House Party"
2019	America's Most Musical Family 	"Semifinals, Part 2"
2019	Double Dare 	"Holiday Week Finals"
2022	The Loud House 	"Snow Escape" / "Snow News Day"
2023	That Girl Lay Lay 	"All I Want for Christmas is Lay Lay"
==Movies==
* 2002: The Wild Thornberrys Movie
==People==
===Births===
* 1952: Ray Bumatai
December 20