Early 2000s cartoons mixed wild humor, action, and slice‑of‑life stories, and many of those shows are still considered a nostalgic “second golden age” of TV animation. They also launched franchises and online fandoms that are still active today.

Early 2000s cartoons: Quick Scoop

  • Many fans see the early 2000s as a golden era, with channels like Cartoon Network, Nickelodeon, Disney Channel, Fox, and Kids’ WB all pushing distinct animation styles and tones.
  • The period blended 90s-style wackiness with more serialized plots, character development, and “for kids but winking at adults” humor.
  • Online forums and early social media helped these shows build cult followings that kept them alive through memes, reboots, and streaming.

Big-name shows from that era

Some of the most frequently cited early 2000s cartoons include:

  • SpongeBob SquarePants (late 90s debut, but its most iconic episodes and cultural peak hit the early 2000s).
  • Kim Possible (spy‑action teen hero show with a strong female lead and comedy focus).
  • The Fairly OddParents (wish‑fulfillment chaos with rapid‑fire gags).
  • Phineas and Ferb (technically late‑2000s, but often grouped with 2000s-era cartoons for its inventive, running‑gag format).
  • As Told By Ginger (more grounded, character‑driven coming‑of‑age slice of life).
  • Totally Spies! (spy comedy with fashion, gadgets, and a dedicated global fanbase; new seasons continue into the mid‑2020s).

Many other shows from 2000–2009—like Clifford the Big Red Dog and numerous short‑run series—also round out lists of U.S.‑aired 2000s cartoons.

Why they still trend today

  • Nostalgia cycles: 2000s kids are now adults, so discussions, rankings, and memes about “cartoons only 2000s kids remember” are common on entertainment sites and forums.
  • Reboots and revivals: Several 80s/90s properties got 2000s reboots (like He‑Man and Transformers entries), and some 2000s shows themselves are being revived or continued with new seasons.
  • Meme culture: Characters and moments (for example, specific SpongeBob frames or eccentric side characters) became viral reaction images and long‑running in‑jokes online.

“Early 2000s cartoons” has become shorthand in forum and social discussions for a particular mix of bright art styles, absurd humor, and surprisingly heartfelt writing—something people still actively revisit and debate today.

Information gathered from public forums or data available on the internet and portrayed here.