2003

This is a list of notable events, premieres, releases, series cancellations and endings, and other business ventures for Nickelodeon in the year 2003.
==Shows==
===Series premieres===
* March 3: Dora the Explorer on Kindernet in the Netherlands
* April 7
**Moose and Zee
** Oobi
** Dora the Explorer on Noggin
** Oswald on Noggin
** Bob the Builder on Noggin
** Maggie and the Ferocious Beast on Noggin
** Miffy and Friends on Noggin
** Tweenies on Noggin
* April 12: All Grown Up! premieres as the Kids' Choice Awards leadout; the series would officially premiere in November.
* May 23: Out There
* May 30: LOL with The N
* July 14: Blue's Clues on Kindernet in the Netherlands
* August 1:
** My Life as a Teenage Robot (United States)
** Real Access in The N
* August 3: Degrassi: The Next Generation
* August 8: Girls v. Boys
* September 13: Romeo!
* October 16: Little Bill on Kindernet in the Netherlands
* October 31: Radio Free Roscoe 
* November 9: Yakkity Yak
===Season premieres===
* February 3: The Wild Thornberrys, season 5
* February 24: Dora the Explorer, season 3
* May 30: ChalkZone, season 2
* August 9: As Told by Ginger, season 3
* September 19: The Adventures of Jimmy Neutron, Boy Genius, season 2
* October 6: Dora the Explorer, season 4
* October 11: All That, season 9
* November 7: The Fairly OddParents, season 4
===Season finales===
* January 20: The Fairly OddParents, season 2
* February 22: All That, season 8
* June 29: As Told by Ginger, season 2
* July 14: Dora the Explorer. season 2
* July 26: SpongeBob SquarePants, season 2
* September 5: The Adventures of Jimmy Neutron, Boy Genius, season 1
* November 2: ChalkZone, season 2
* November 21: The Fairly OddParents, season 3
* December 12: Blue's Clues, season 5
=== Series finales ===
* February 15: The Nick Cannon Show
*May 25: Wild and Crazy Kids (2002)
* June 20: LOL with The N
* August 16: Scaredy Camp
* September 19: Oswald
* November 7: Little Bear
=== Network departures===
* April 6
**Allegra's Window airs for the last time on Noggin
**Kipper airs for the last time on Noggin
* Tweenies airs for the last time on Noggin
* Caillou airs for the last time on Kindernet due to rebrand to Nick Jr. in the Netherlands
===Specials===
* April 25: The Adventures of Jimmy Neutron: "The Eggpire Strikes Back"
* July 26: R U All That?: Nickelodeon's Search for the Funniest Kid in America, hosted by Taran Killam
* August 17: Nickelodeon Magazine's Big 10 Birthday Bash
* October 13: The Adventures of Jimmy Neutron: "Operation: Rescue Jet Fusion"
===Programming blocks===
* April 7: Nick Jr. on Noggin debuts on Noggin and Noggin on Nick Jr. debuts on Nickelodeon.
* July 14: Nick At Night, a programming block on Nickelodeon in the Netherlands, debuts, running each day from 7pm to 6am.
==Non-original shows==
* March 31: Wings
* August 10: Girls v. Boys
* August 17: Radio Free Roscoe
* August 24: Real Access
* September 2:
** Rubbadubbers
** Mama's Family
* September 22: Roseanne
* September 28: Sabrina the Teenage Witch
* October 6: Full House
==Movies==
===Theatrical===
* June 13: Rugrats Go Wild!
===Made-for-TV===
* February 23: Maniac Magee
* July 12: The Fairly OddParents: Abra-Catastrophe!
* February 3: The Electric Piper
==Comics==
* The Rugrats comic strip ends
==Video games==
* October 15: Tak and the Power of Juju
* November 3: The Fairly OddParents: Breakin' Da Rules
* November 10: SpongeBob SquarePants: Battle for Bikini Bottom
==Albums==
* February 4: ChalkZone: In the Zone
==Books==
* January
** Battle of the Band
** Chew on This!
** Genius 101: Exploring My World
** Jimmy on Ice
** SpongeBob JokePants
** The Time Pincher
** A Valentine for Tommy
* February: A Pickles Passover
* May
** Chasing Dad
** Rugrats Go Wild! (novelization)
* June
** Hands Off!
** The Amazing SpongeBobini
* July
** Goddard, Come Home!
** No More Mr. Smart Guy
* August 1: Scrambled Planets!
* September
** The Big Halloween Scare
** Canine Catastrophe!
** New Student Starfish
** Rugrats' Favorite Funnies
** Scavenger Hunt
** Special Delivery!
** SpongeBob AirPants: The Lost Episode
** SpongeBob MoviePants
** Token Wishes
* October
** The Big Sweep
** Christmas in the City
** Fearless
** The Runaway Turkey
** The Science Project
** SpongeBob's Christmas Wish
* November
** Llama Drama
** Sky Scare
** Holly Jolly Jimmy
* December
** Best in Show
** Ding Dong
* December 23
** Reggie's Secret Admirer
** SpongeBob's Secret Valentine
==Home video releases==
===VHS===
* January 28
** Rugrats: Mysteries VHS & DVD
** SpongeBob SquarePants: Bikini Bottom Bash VHS
** SpongeBob SquarePants: Deep Sea Sillies VHS
** SpongeBob SquarePants: Tales from the Deep DVD
* February 4
** Blue's Clues: Blue's Big Band VHS & DVD
** Dora the Explorer: Map Adventures VHS
* March 4
** Nickstravaganza! VHS
** Blue's Clues: 100th Episode Celebration VHS
** SpongeBob SquarePants: Anchors Away VHS
** SpongeBob SquarePants: The Sponge Who Could Fly VHS
** SpongeBob SquarePants: Lost at Sea DVD
* April 1: The Wild Thornberrys Movie VHS & DVD
* May 27
** The Adventures of Jimmy Neutron: Confusion Fusion DVD
** The Adventures of Jimmy Neutron: Time Warp VHS
** The Adventures of Jimmy Neutron: When Pants Attack VHS
** Harriet the Spy DVD
** Good Burger DVD
* June 3
** Dora the Explorer: City of Lost Toys VHS & DVD
** Blue's Clues: Shapes and Colors VHS & DVD
* July 15: The Fairly OddParents: Abra-Catastrophe! VHS & DVD
* July 29
** SpongeBob SquarePants: Laugh Your Pants Off VHS
** SpongeBob SquarePants: Sponge-a-Rama VHS
** SpongeBob SquarePants: Tide and Seek DVD
* August 26
** All Grown Up: Growing Up Changes Everything VHS & DVD
** Blue's Clues: Blue Takes You to School VHS & DVD
** Dora the Explorer: Rhymes and Riddles VHS & DVD
** NickToons Halloween DVD
* September 2
** Oswald: Best Buddies VHS
** Oswald: Outdoors with Oswald VHS
** Oswald: Welcome to Big City DVD
* September 15: The Best of Ren & Stimpy DVD
* September 30
** Blue's Clues: Blue's First Holiday VHS & DVD
** NickToons Christmas DVD
** SpongeBob SquarePants: Christmas VHS & DVD
* October 7
** The Adventures of Jimmy Neutron: Sea of Trouble VHS & DVD
** Little Bear: Feel Better Little Bear VHS
** Dora the Explorer: Meet Diego VHS & DVD
** Dora the Explorer: Cowgirl Dora VHS & DVD
* October 28: SpongeBob SquarePants: The Complete 1st Season DVD
* December 16: Rugrats Go Wild! VHS & DVD
==Events==
* April 7: Nicktoons TV was renamed as NickToons.
* April 11: Jimmy Neutron's Nicktoon Blast opens at Universal Studios Florida.
* November 27: The Little Bill balloon debuts in the 77th Annual Macy's Thanksgiving Day Parade.
== Character debuts ==
* Rugrats Go Wild: Siri
* The Adventures of Jimmy Neutron, Boy Genius: Finbarr Calamitous, Beautiful Gorgeous
* My Life as a Teenage Robot: Sheldon Lee, Vexus, Brit and Tiff Crust, XJs 1-8
* The Fairly OddParents: Dark Laser, Flipsie, Nega-Chin
* Tak and the Power of Juju: Tak, Jibolba, Lok, Traloc, Flora, Moon Juju, Rick, Dinky, Caged Juju, Lok's Squire
* Dora the Explorer: Diego Marquez
== Accolades ==
* May 16: Rugrats (1991) wins its third Daytime Emmy Award for Outstanding Children's Animated Program.
==People==
* Nisma Zaman (producer on Little Bill) leaves
*December 23: Steve Burns (actor on Blue's Clues) returns for a guest cameo in "Blue's First Holiday"
=== Births ===
* Max Behren (actor on Blue's Clues)
* Micaela Nyland (actress in The J Team)
* Sam Scherzer (actor in Monster High: The Movie)
* Kyle Brenn (actor on Go, Diego, Go!)
* Michelle Hantman (script coordinator on The Loud House and Adventures in Wonder Park)
* January 2: Cyrus Arnold (actor on Sam & Cat and Transformers: Earthspark)
* January 4: Aidan Gemme (actor on Dora the Explorer, ¡DORA!, and Dora and Friends: Into the City!)
* January 24: Johnny Orlando (actor and singer on The Substitute, All That, Group Chat with Annie and Jayden, and Unfiltered and guest star at the 2022 Kids' Choice Awards)
* January 28: Anton Starkman (actor on Warped! and Side Hustle)
* January 31: Filippo Berti (actor on Mia and Me)
* February 1: Sydney Mikayla (actress on The Loud House, Transformers: Earthspark, The Barbarian and the Troll, Instant Mom, Game Shakers, and School of Rock)
* February 20: Olivia Rodrigo (singer-songwriter and guest star at the 2022 and 2024 Kids' Choice Awards)
* February 25: Case Walker (actor in Monster High: The Movie)
* March 2: Jacquez Swanigan (singer and actor on Blaze and the Monster Machines)
* March 8: Miia Harris (actress in Monster High: The Movie)
* March 10: Gabriella Pizzolo (actress on Butterbean's Café)
* March 12: Malina Weissman (actress and model in the Teenage Mutant Ninja Turtles movie)
* March 27: Cameron DeLeon (singer on Face's Music Party)
* March 31: Tanner Flood (actor on Team Umizoomi)
* April 14: Jayden Ham (actor on Bossy Bear, guest star on Tooned In and singer on Face's Music Party)
* April 15
**Sam Ashe Arnold (actor on Are You Afraid of the Dark? (2019))
**Julia Antonelli (actress on I Am Frankie, WITS Academy, and Every Witch Way)
* April 16: Alina Foley (actor on School of Rock, Rise of the Teenage Mutant Ninja Turtles, and Shimmer and Shine)
* April 18: Sophia Grace (bass singer and actress on Sam & Cat)
* April 19: Caleel Harris (actor on Sam & Cat, Game Shakers, and Nicky, Ricky, Dicky & Dawn, and voice actor on The Loud House and Blaze and the Monster Machines)
* April 26: Matte Martinez (singer on Side Hustle)
* May 1: Lizzy Greene (actress on Nicky, Ricky, Dicky & Dawn, Tiny Christmas, The Thundermans, Cousins for Life, and Knight Squad)
* May 2: Juliocesar Chavez (actor on The Loud House and iCarly)
* May 11: Dora Dolphin (actress in A Loud House Christmas and The Really Loud House)
* May 16: Ariana Molkara (actress on Warped! and Nicky, Ricky, Dicky & Dawn)
* May 19: JoJo Siwa (singer-songwriter for Nickelodeon and actress on Make it Pop, The Thundermans, Nickelodeon's Not-So Valentine Special, Nickelodeon's Ultimate Halloween House, School of Rock, SpongeBob SquarePants, All That, JoJo's Dream Concert, Middle School Moguls, The Substitute, The J Team, Blurt! and Lip Sync Battle Shorties, and singer on Face's Music Party and The Backyardigans)
* May 24: Jadon Sand (actor on Deadtime Stories and The Loud House)
* June 2: Jeremy Ray Taylor (actor on Are You Afraid of the Dark?)
* June 11: Breanna Yde (actress on School of Rock, The Haunted Hathaways, The Thundermans, Instant Mom, Nickelodeon's taHo-Ho Holiday Special, Nickelodeon's Not So Valentine's Special, Santa Hunters, Nicky, Ricky, Dicky & Dawn, Nickelodeon's Sizzling Summer Camp Special, and Escape from Mr. Lemoncello's Library, and voice actress in Albert and The Loud House)
* June 13: Teddy Walsh (singer and voice actor on Bubble Guppies and Team Umizoomi)
* June 17: Katia Peel (actress in Splitting Adam and Game Shakers)
* June 25
**Lilah Fitzgerald (actress in Monster High: The Movie)
**Tate Chapman (actress in Splitting Adam)
**Abby Chapman (actress in Splitting Adam)
* June 30: Leela Owen (actress in Fantasy Football)
* July 1: Tate McRae (singer-songwriter, dancer, and guest star at the 2024 Kids' Choice Awards)
* July 8: Mason Molina (actor on co-star on The Really Loud House)
* July 9: Aria Capria (voice actress on Wallykazam!)
* July 30: Daniel DiMaggio (actor on The Loud House)
* August 17: The Kid LAROI (singer, rapper, and guest star at the 2022 Kids' Choice Awards)
* August 18: Max Charles (actor on The Haunted Hathaways and voice actor on The Legend of Korra and on Harvey Beaks)
* September 8: Nicolas Cantu (voice actor in Hey Arnold!: The Jungle Movie, Teenage Mutant Ninja Turtles: Mutant Mayhem, Middle School Moguls, Tales of the Teenage Mutant Ninja Turtles, Dora and Friends: Into the City!, and ¡DORA!, actor in Dora and the Lost City of Gold, and guest star at the 2024 Kid’s Choice Awards)
* September 16: Sheb Wooley (actor and singer on Face's Music Party)
* September 18: Aidan Gallagher (actor on Nicky, Ricky, Dicky & Dawn)
* September 28: Lauren Spencer-Smith (singer-songwriter and guest star at the 2023 Kids' Choice Awards)
* October 5: Jaden Michael (actor on Dora the Explorer and Team Umizoomi)
* October 7: Kate Godfrey (actress, singer, and dancer on All That and Warped! and guest star on The All-Star Nickmas Spectacular)
* October 14: Natalie Coughlin (actress on The Loud House and The Casagrandes)
* October 22: Ethan Munck (actor on iCarly)
* October 24: Hudson Yang (actor on HexVets and Magic Pets)
* October 27: Gavin Lewis (voice actor in Hey Arnold!: The Jungle Movie)
* November 2: Stuart Ralston (voice actor on PAW Patrol)
* November 12: Kamaia Fairburn (actress on Star Falls and Good Burger 2)
* November 21: Elijha Hammill (voice actor on PAW Patrol and Little Charmers)
* November 29: Yung Kayo (rapper in Fantasy Football)
* December 1: Jackson Nicoll (actor in Fun Size)
* December 16: Max Calinescu (voice actor on PAW Patrol)
=== Deaths ===
* January 23: Nell Carter (singer and actress on Blue's Clues)
* February 27: Fred Rogers (guest star on Blue's Clues)
* March 30: Michael Jeter (voice actor on The Wild Thornberrys and Hey Arnold!)
* April 10: Little Eva (singer on Face's Music Party)
* May 14: Robert Stack (actor on The Angry Beavers)
* June 15: Malonga Casquelourd (actor in The Wild Thornberrys Movie)
* June 30: Buddy Hackett (guess star on All That)
* August 9: Gregory Hines (voice actor on Blue's Clues and Little Bill)
* October 3: Florence Stanley (voice actor on Rugrats (1991) and Rugrats Pre-School Daze)
* November 12: Jonathan Brandis (actor on Marc Summers' Mystery Magical Special and guest star on the 1995 Kids' Choice Awards)
* November 17: Claude Nicot (voice actor on Doug)
 2003