April 20

==Events== 
* 2022: Nickelodeon Russia is temporary cancelled, following two months earlier.
==Television==
*2002: The 15th Annual Nickelodeon Kids' Choice Awards aired on Nickelodeon.
===Episode premieres===
Year	Show 	Episode(s)
1990	Hey Dude 	"Datenite"
1991	Clarissa Explains It All 	"New Addition"
1996	Space Cases 	"It's My Birthday, Too (Yeah!)"
2001	Rugrats 	"Bad Shoes" / "The World According to Dil and Spike" / "Wash/Dry Story"
2001	The Fairly OddParents 	"Father Time!" / "Apartnership!"
2001	Invader Zim 	"Germs" / "Dark Harvest"
2003	Dora the Explorer 	"Egg Hunt"
2004	Dora the Explorer 	"Job Day"
2011	BrainSurge 	"Episode 229"
2012	The Fresh Beat Band 	"Keeping it Green"
2012	The Penguins of Madagascar 	"Thumb Drive"
2013	Monsters vs. Aliens 	"The Bath Effect" / "The Fruit of All Evil"
2013	Marvin Marvin 	"Mr. Earth"
2013	Supah Ninjas 	
* "Wallflower" 
* "M@yhem"
2018	PAW Patrol 	"Sea Patrol: Pups Save the Flying Diving Bell" / "Sea Patrol: Pups Save a Soggy Farm"
2018	Rusty Rivets 	"Rusty and the Pirates of Sparkton Hills" / "Rusty's Mouse Problem"
2019	Power Rangers Beast Morphers 	"A Friend Indeed"
2019	Rise of the Teenage Mutant Ninja Turtles	"Shadow of Evil"
2019	ALVINNN!!! and the Chipmunks 	"Across the Universe" / "Brit's Picks"
2019	Ryan's Mystery Playdate 	"Ryan's Experimental Playdate" / "Ryan's Kick-Flipping Playdate"
2019	Game Shakers 	"Wet Willy's Wild Water Park"
2019	Cousins for Life 	"Operation: Mom"
2019	Knight Squad 	"Closing Knight"
2023	The Patrick Star Show 	"Fun & Done!"
2023	Danger Force 	"The Force Returns Part 1"
2023	Erin & Aaron 	"We Are Family"
2023	Erin & Aaron 	"Piano Man"
==People==
===Births===
* 1937: George Takei
* 1967: Lara Jill Miller
* 1989:
**Alex Black
**Chris Houghton
April 20