Anisongs that were hits in the 2000s: a nostalgic collection of legendary tracks
We’ve put together a collection of anime songs that anyone who grew up in the 2000s will undoubtedly find nostalgic.
Some are original tracks made for the anime, while others are tie-in songs.
Each and every one of them still sounds fresh today.
There are probably people who discovered these artists through anime, grew to love them, and are still following them now.
We hope this article—and the songs themselves—help you remember those wonderful feelings from back then.
It also works great as a go-to karaoke song list.
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Hit anime songs from the 2000s: A nostalgic collection of masterpieces (1–10)
Kerok! MarchNoburo Tsunoda & Juri Ihata

This is an energetic song best known as the opening theme for the anime Keroro Gunso (Sgt.
Frog).
Sung by Shinobu Kandori and Juri Ihata, it was released in May 2004.
Its lively rhythm and humorous lyrics are especially appealing, comically portraying the everyday chaos of Keroro and his squad as well as their enthusiasm for invading Earth.
It peaked at No.
41 on the Oricon charts and remained ranked for 13 weeks, making it a popular track.
Gekitei (Rally! Imperial Assault Force)Chisa Yokoyama & the Imperial Revue

It’s a song that exudes passion and courage! It’s the theme song of the anime “Sakura Wars,” performed by Chisa Yokoyama and members of the Imperial Combat Revue.
Originally released in 1996 as the theme song for the game, it was later used as the opening theme for the 2000 TV anime adaptation.
With its dynamic melody and powerful lyrics, it vividly portrays the protagonists fighting for justice.
Give it a listen and relive that fiery spirit from back in the day.
voiceCLOUD

This is a work released in June 2000 by the visual kei rock band CLOUD, chosen as the opening theme for the TX network anime Yu-Gi-Oh! Duel Monsters.
The contrast between its emotional band sound and lyrics delicately portraying feelings that can’t reach a beloved person is striking.
It peaked at No.
50 on the Oricon chart and stayed on the charts for two weeks, reflecting its popularity.
It stands as one of the elements that helped shape the early movement of the card game, which is still loved worldwide today.
Anime songs that were hits in the 2000s: A nostalgic collection of legendary tracks (11–20)
POPEE the ClownTsuneo Aoyagi

This song is characterized by its nonsensical lyrics and ska rhythm.
It’s the theme song of the chaotic CGI anime “Popee the Performer,” which aired in 2000, sung by Tsuneo Aoyagi.
Its lively tempo, catchy melody, and indescribably offbeat lyrics are blended to perfection, making it highly addictive.
It perfectly matches the anime’s world, which combines pop sensibilities with a dark atmosphere.
You could say it’s a cult favorite that has continued to be loved by devoted fans.
Under StarShocking Lemon

It’s a work defined by a driving rock sound and highly message-driven lyrics.
It’s a song by the band Shocking Lemon, released in September 2001, and served as the opening theme for the first season of the anime Hajime no Ippo.
The lyrics depict the struggles and hopes of youth, expressing a determined push toward one’s dreams.
That passionate message pairs perfectly with the intense boxing scenes and captivated viewers.
It’s an ideal track for those wanting to relive their adolescence or fire themselves up.
This energetic music is sure to ignite your heart.
innocent starterNana Mizuki

Magical Girl Lyrical Nanoha is a spin-off of the game Triangle Heart 3 ~Sweet Songs Forever~ and was adapted into an anime in 2004.
The opening theme is Innocent Starter, sung by Nana Mizuki, which reached 9th on the Oricon weekly chart.
Let's hugRimi Natsukawa

Doraemon underwent a cast change and a refresh in 2005, and starting with the broadcast on October 28 of that year, the opening theme became “Hug Shichao,” sung by Rimi Natsukawa.
It reached No.
78 on the Oricon chart.





