2001

This is a list of notable events, premieres, releases, series cancellations and endings, and other business ventures for Nickelodeon in the year 2001. To many, this is when Nickelodeon started to get better in terms of quality and programming. As well as find their own identity.

Shows

Series premieres

• January 14 - Taina
• March 30 - The Fairly OddParents and Invader Zim
• August 20 - Oswald
• November 25 - Action League Now! (series)

Season premieres

• October 5 - SpongeBob SquarePants third season
• December 12 - The Fairly OddParents, second season

Series finales

• January 6 - Noah Knows Best, one season
• May 19 - Cousin Skeeter
• June 15 - Oh Yeah! Cartoons, four seasons
• November 11 - The Angry Beavers, four seasons

Specials

• April 21 - Leading up to both the 2001 Kids' Choice Awards and its tenth anniversary Nick airs Decade of Diapers, a marathon of the top 10 greatest Rugrats episodes as voted on Nick.com
• July 21 - Rugrats celebrates its 10th anniversary with the premiere of the hour-length special episode "All Growed Up". The special's premiere is followed up with the half-hour 10th anniversary retrospective documentary Still Babies After All These Years.

Blocks

• March 4 - TEENick premieres as a Sunday night counterpart to SNICK.

Movies

• December 21 - Jimmy Neutron: Boy Genius

Video games

• April 13 - Rugrats: Totally Angelica for PlayStation
• September 24 - Rugrats: Castle Capers and SpongeBob SquarePants: Operation Krabby Patty
• October 21 - Rugrats: All Growed-Up
• November 5 - SpongeBob SquarePants: SuperSponge

Albums

• August 14 - SpongeBob SquarePants: Original Theme Highlights
• October 2
  • Dance And Sing! The Best of Nick Jr.
  • The Newest Nicktoons

Books

• January 1
  • Arnold's Valentine
  • Stupid Cupid
  • The World's Greatest Valentine
• February 1 - Parents Day
• March 1 - Spongebob Superstar
• April 1 - Tale of the Unfinished Masterpiece
• April 3
  • Brand-New Daddy
  • Prince Chuckie
• May 1
  • Have No Fear, Chuckie's Here!
  • Summer Love
• June 12
  • All Growed Up!: Next Stop... The Future!
  • Picture-Perfect Tommy
• July 1 - Mystery of the Bermuda Triangle
• October 1
  • Arnold's Christmas
  • Double Trouble (Rocket Power)
  • Rocket Power Joke Book
  • Rocket Report: A Trivia Book
  • The Rugrats' First Kwanzaa
  • Surf's Up!
• November 1
  • Jimmy Neutron, Boy Genius (novelization)
  • Jimmy Neutron, Boy Genius: Movie Storybook
  • My Book of Inventions
  • No Parents Day
• December 1 - Arnold's E-Files

Home video releases

• Rocket Power: Maxing Out
• March 27 - Rugrats in Paris: The Movie
• June 5
  • Dora the Explorer: Swing Into Action
  • Dora the Explorer: Wish on a Star
• August 7
  • Rugrats: Decade in Diapers - Volume 1
  • Rugrats: Decade in Diapers - Volume 2
  • Rugrats: All Growed Up
• August 21 - Dora the Explorer: To the Rescue
• November 2 - Rugrats Kwanzaa

Nickelodeon character debuts

• The Fairly OddParents: Chester McBadbat, A.J., Francis, Mark Chang, Denzel Crocker, Trixie Tang, Tad and Chad, Veronica, Mama Cosma, Doidle, Chompy the Goat
• Invader Zim: Zim, GIR, Almighty Tallest, Dib Membrane, Gaz Membrane, Professor Membrane
• Pain, Pain Go Away: Libby Folfax
• Ultralord vs the Squirrels: Sheen Estevez
• Jimmy Neutron, Boy Genius: Nick Dean

People

• February 15 - Haley Tju is born
• July 8 - Riele Downs is born
• July 10 - Isabela Moner is born
• August 30 - Sean Ryan Fox is born
• August 23 - Kathleen Freeman dies
• August 25 - Aaliyah dies
• December 5 - Diego Velazquez is born