Nickelodeon anniversaries

The following is a list of anniversary celebrations for Nickelodeon and Nick Jr.
==General anniversaries==
===Nickelodeon===
;20th anniversary (1999)
* Nickelodeon celebrated its 20th anniversary with an all-day birthday marathon on June 26, 1999, consisting of select episodes from the network's history up to that point.
===Nick at Nite===
;10th anniversary (1995)
* Nick at Nite celebrated its 10th anniversary with a week-long marathon of select episodes of almost every show that had aired on the block up to that point, airing from June 26-July 2.
* TV special: Those Nick at Nite Promos: 10 Years of Better Living Through Television
;20th anniversary (2005)
* TV Land aired a 48-hour marathon on June 25-26, featuring most of the series aired through Nick at Nite's history up to that point.
===Nickelodeon Animation Studio (Nicktoons)===
;25th anniversary (2016)
* Marathon: 25 Year Animation Celebration
;30th anniversary (2021)
*Video game: Nickelodeon All-Star Brawl
==Nicktoons==
===Rugrats===
;10th anniversary (2001)
* Marathons:
** The Rugrats 10th Anniversary marathon
** The Rugrats First First-a-thon
* Special episode: "All Growed Up"
* Documentary: Still Babies After All These Years
* Home video:
** Decade in Diapers, Volume 1
** Decade in Diapers, Volume 2
** All Growed Up
* Video game: All Growed-Up
* Magazines:
** Nickelodeon Magazine, August 2001
** TV Guide, July 21, 2001
* Rugrats earns a star on the Hollywood Walk of Fame; as of , it is currently still the only Nickelodeon program to have this honor.
;20th anniversary (2011)
* Home video:
** The Rugrats Movie Collection
** Rugrats: Season 3
** Rugrats: Season 4
** Rugrats: Season 5
** Rugrats: Season 6
** Rugrats: Season 7
** Rugrats: Season 8
** Rugrats: The Best of Season 9
;30th anniversary (2021)
* The Rugrats reboot premieres on Paramount+.
* Home video: Rugrats: The Complete Series
===Rocko's Modern Life===
;20th anniversary (2013)
* Rocko's Modern Life: The Complete Series
===SpongeBob SquarePants===
;10th anniversary (2009)
* Special episode: "Truth or Square"
* Home video:
** 10 Happiest Moments
** The First 100 Episodes
* Marathon: The Ultimate SpongeBob SpongeBash
* Album: SpongeBob's Greatest Hits
* Video game: SpongeBob's Truth or Square
* Documentary: Square Roots: The Story of SpongeBob SquarePants
* Magazine: Nickelodeon Magazine, August 2009
;20th anniversary (2019)
* Special episode: "SpongeBob's Big Birthday Blowout"
* TV specials:
** 
** The SpongeBob Musical: Live on Stage!
** (aired in 2020)
* Home video: The Next 100 Episodes
* Marathon: on NickToons (cut short)
;25th anniversary (2024)
* Special episodes:
**"Squidiot Box"
**"Blood is Thicker Than Grease"
**"PL-1413"
**"In the Mood to Feud"
**"Mooned!"
**"Hysterical History"
**"Kreepaway Kamp"
**"Snow Yellow and the Seven Jellies"
**"Sandy's Country Christmas"
* Home video:
**The SpongeBob SquarePants Movie 4K Ultra HD Blu-ray
**Another 100 Episodes
**The Complete Fourteenth Season
* Movie: Saving Bikini Bottom: The Sandy Cheeks Movie
* Video game: The Patrick Star Game
* Events: 
**SpongeBob and Patrick host the 2024 Kids' Choice Awards
**Operation Sea Change (World Ocean Day Celebration)
===Rocket Power===
;15th anniversary (2014)
* Home video: The full series was released on DVD across four manufacture-on-demand season sets.
===The Fairly OddParents===
;10th anniversary (2011)
* TV movie: A Fairly Odd Movie: Grow Up, Timmy Turner!
* Special episode: "Timmy's Secret Wish!"
* Home video:
** The Fairly OddParents: Season 3
** The Fairly OddParents: Season 4
** The Fairly OddParents: Season 5
** The Fairly OddParents: Season 7
** A Fairly Odd Movie: Grow Up, Timmy Turner!
===Invader Zim===
;10th anniversary (2011)
* Home video: Invader Zim: Operation Doom
;20th anniversary (2021)
* Comics (reprints):
**Invader Zim: Best of GIR
**Invader Zim: Best of Skool
===The Adventures of Jimmy Neutron, Boy Genius===
;20th anniversary (2022)
* Home video: Jimmy Neutron, Boy Genius Blu-ray
===Danny Phantom===
;10th anniversary (2014)
* Home video: Danny Phantom: The Complete Series
===Avatar: The Last Airbender===
;10th anniversary (2015)
* Books: Avatar: The Last Airbender: Legacy
* Home video: Avatar: The Last Airbender: The Complete Series
;15th anniversary (2020)
* Home video: The Complete Series Limited Edition Steelbook Collection
==Live-action shows==
===Nick News===
;10th anniversary (2001)
* TV special: Turning Ten: A Nick News Celebration
===All That===
;10th anniversary (2005)
* TV special: Nickelodeon's All That 10th Anniversary Reunion Special
==Nick Jr.==
===Blue's Clues=== 
;10th anniversary (2006)
* TV special: Behind the Clues: 10 Years with Blue
* Home video: Blue's Biggest Stories
* Album: Blue's Clues: Blue's Biggest Hits
===Dora the Explorer===
;10th anniversary (2010)
* Home video: Let's Explore! Dora's Greatest Adventures
* Album: We Did It! Dora's Greatest Hits
* Documentary: Dora: The Girl Heard 'Round the World
* Special episode: "Dora's Big Birthday Adventure"
==Miscellaneous anniversaries==
=== Nickelodeon Magazine=== 
;10th anniversary (2003)
* Magazine: Nickelodeon Magazine, August 2003
* TV special: Nickelodeon Magazine's Big 10 Birthday Bash
==See also==
*Character birthday episodes
Category:Lists