December 18

==Television==
* 2014: Drake & Josh airs for the last time on Nickelodeon.
* 2020: Ollie's Pack airs for the last time on NickToons.
* 2021: Power Rangers Dino Fury airs for the last time on Nickelodeon and NickToons due to Nickelodeon losing the rights to the franchise at the end of 2021; it would move exclusively to Netflix starting in 2022.
===Episode premieres===
Year	Show 	Episode(s)
1993	Clarissa Explains It All 	"Alter Ego"
1993	The Ren & Stimpy Show 	"Ren's Pecs" / "An Abe Divided"
1994	Aaahh!!! Real Monsters 	"Old Monster" / "Mother, May I"
1999	Rugrats 	"Accidents Happen"
1999	The Amanda Show 	"Episode 107"
2011	Peppa Pig 	"Santa's Grotto" / "Santa's Visit" / "The Secret Club" / "Grampy Rabbit's Boatyard" / "Shake, Rattle and Bang"
2011	Wonder Pets! 	"Help the Groundhog! / "Help the Lion Cub!"
2011	Yo Gabba Gabba! 	"A Very Awesome Christmas Special!"
2014	ReactToThat 	"Geese Tsunami and Bubble Wrap Bike"
2017	Thomas & Friends 	"Over the Hill"
2017	Bunsen Is a Beast 	"Bunsen Saves Christmas"
2019	Ryan's Mystery Playdate 	"Ryan's Spectacular Playdate"
2020	Blaze and the Monster Machines	"Big Rig to the Rescue!" (season premiere)
2020	Blue's Clues & You! 	"Sleepy Singalong with Blue"
2020	PAW Patrol Original 5s 	
* "Dino Rescue: Pups Save the Baby Raptors" 
* "Dino Rescue: Pups Save a Tyrannosaurus' Birthday"
2020	The Astronauts 	"Day 73"
2020	Danger Force 	"Down Goes Santa: Part 2"
2021	Power Rangers Dino Fury 	"Secret Santa"
==People==
===Births===
* 1955: Mitch Schauer
* 1962: James Sie
December 18