December 17

==Television==
* 2007: KaBlam! airs for the last time on the Nicktoons Network.
* 2020: Doug airs for the last time on NickToons.
* 2021:
** This date marks the first and only time that Star Trek: Prodigy has aired on Nickelodeon.
** Teenage Mutant Ninja Turtles (2012) airs for the last time on NickToons.
** Doug, Rocko's Modern Life, and Hey Arnold! air for the last time on TeenNick.
===Episode premieres===
Year	Show 	Episode(s)
1995	Aaahh!!! Real Monsters 	"The Monster Who Came In From the Cold" / "Puppy Ciao"
2000	A Walk in Your Shoes 	"Religion"
2000	As Told by Ginger 	"Hello Stranger"
2004	Best Friend's Date 	"The Santa Monica Pier Date"
2012	Nick News with Linda Ellerbee	"If I Were an Only Child: The Top Ten Annoying Things My Siblings Do"
2014	ReactToThat 	"Skydive Out Front Door and Guitar Impossible"
2017	Peppa Pig 	"Father Christmas"
2017	Mysticons 	"Through My Enemy's Eyes"
2019	Ryan's Mystery Playdate 	"Ryan's Balanced Playdate"
2020	Top Elf 	"Who Will Be Top Elf?"
2020	All That 	"Episode 1134"
2020	Unleashed 	"Squirrels Just Wanna Have Fun!"
2021	Star Trek: Prodigy 	"Lost and Found" (TV Premiere)
2021	The Adventures of Paddington 	"Paddington and the Egg Hunt" / "Paddington Sells Bessie"
==Movies==
* 2004: Lemony Snicket's A Series of Unfortunate Events
==People==
===Births===
* 1994: Nat Wolff
December 17