The Wonder Begins [Single] | Release Date: 2007-02-13
1. Irony
2. Bad Boy
3. 미안한 마음 (A Sorry Heart)
4. Irony (Tae Kwon – Daybreak Remix.)
미안한 마음 (A Sorry Heart) [Digital Single] | Release Date: 2007-04-26
1. 미안한 마음~tears~ (A Sorry Heart)
2. 미안한 마음~tears~ (A Sorry Heart) (Instrumental)

The First Album,
The Wonder Years [Album] | Release Date: 2008-10-02
1. I Wanna
2. 이바보 (This Fool)
3. Tell Me
4. Friend
5. Headache
6. 뭐 어때 (So What) (feat. David Kim)
7. Wishing on a star
8. Move (feat. 이민우 MRISING]
9. 가져가 (Take it)
10. Good bye
11. Bad boy
12. 미안한 마음 (A Sorry Heart)
13. Irony
쪼요쪼요 (Jjoyo Jjoyo) [Digital Single] | Release Date: 2007-11-26
1. 쪼요쪼요 (미니게임천국 3 주제가) (Mini Game Heaven 3)
2. 쪼요쪼요 (MR Version)
아미송 (Army Song) [Digital Single] | Release Date: 2008-02-21
1. 아미송(Army Song)
The 3rd Project – So Hot | Release date: 2008-05-26
1. So Hot
2. This Time
3. You’re Out
4. Tell me (Rap Ver.)
The Wonder Years: Trilogy | Release Date: 2008-09-30
1. Intro (Nobody Ballad)
2. Nobody
3. I tried
4. Saying I love you
5. Nobody (Rainstone Remix)
6. Nobody (Inst.)
7. I tried (Inst.)
8. Saying I love you (예은곡)(Inst.)
9. Nobody (Rainstone Remix) (Inst.)
Anybody [Digital Single] | Release Date: 2008-11-18
1. Anybody (Feat. Dynamic Duo, SAN E, J.Y. Park)
“Nobody” – The Remix Edition | Release Date: 2009-10-19
Nobody, the global dance phenomenon finally lands in the USA!
The CD also contains two bonus tracks.
1. Nobody
2. Nobody Jason Nevins Remix (Bonus track)
3. Nobody (Karaoke Version) (Bonus track)
“Nobody” – H MART Special Edition | Release date: 2010-01-17
This CD is exclusively for H MART customers. It is the Wonder Girls new single “Nobody” containing the following tracks.
1. Nobody
2. Nobody Rainstone Remix English Version
3. Nobody Jason Nevins Remix
4. Nobody (Karaoke Edition)

Wonder Girls (Special Collection: Best Hits) CD+DVD | Release Date: 2010-02-10
1. Irony
2. 抱歉的心 (A Sorry Heart)
3. Tell me
4. I wanna
5. Goodbye
6. 這傻瓜 (This Fool)
7. 拿走吧 (Take It)
8. So Hot
9. This time
10. Headache
11. Nobody
12. Saying I love you
13. I tried
14. Tell me(中文版) (Chinese Version)
15. So Hot(中文版) (Chinese Version)
16. Nobody (中文版) (Chinese Version)
DVD (with Chinese subtitles):
1. Tell me(Music Video)
2. So Hot(Music Video)
3. Nobody(Music Video)
Wonder Girls: 2 Different Tears [EP] Justice Version | Release Date: 2010-02-15
1. 2 Different Tears (Justice Version)
2. So Hot
3. Nobody
4. Tell Me
5. 2 Different Tears Remix
6. Nobody Rainstone Remix
7. Nobody Jason Nevins Remix
8. 2 Different Tears Karaoke
9. 2 Different Tears Instrumental
Wonder Girls: 2 Different Tears [EP] Itunes Version | Release Date: 2010-02-15
1. 2 Different Tears
2. So Hot
3. Tell Me
4. Nobody
5. 2 Different Tears Remix
6. Nobody Rainstone Remix
7. Nobody Jason Nevins Remix
8. 2 Different Tears (Korean)
9. 2 Different Tears (Chinese)
10. 2 Different Tears Karaoke
11. 2 Different Tears Instrumental
Wonder Girls: 2 Different Tears [EP] Korean Version | Release Date: 2010-02-16
1. 2 Different Tears
2. 2 Different Tears (English Ver.)
3. 2 Different Tears (Remix Ver.)
4. Tell me (English Ver.)
5. So Hot (English Ver.)
6. Nobody (English Ver.)

Wonder Girls: 2nd Korean Album
‘Wonder World’ | Release Date: 2011-11-07
1. G.N.O.
2. Be My Baby
3. Girls Girls
4. Me, in
5. Sweet Dreams
6. Stop!
7. Dear. Boy
8. 두고두고 (Dugo Dugo)
9. SuperB
10. Act Cool (Feat.San E)
11. Be My Baby (Ra.D Mix)
12. Nu Shoes

Wonder Girls: 2nd Korean Album
‘Wonder World’ Itunes Version | Release Date: 2011-11-07
1. G.N.O.
2. Be My Baby
3. Girls Girls
4. Me, in
5. Sweet Dreams
6. Stop!
7. Dear. Boy
8. 두고두고 (Dugo Dugo)
9. SuperB
10. Act Cool (Feat.San E)
11. Be My Baby (Ra.D Mix)
12. Nu Shoes
13. Be My Baby (Eng Ver.)
K-Food Party - Single | Released: Dec 03, 2011
1. K-Food Party

1. The DJ Is Mine
2. The DJ Is Mine (Feat. School Gyrls)
3. The DJ Is Mine (Instrumental)
4. The DJ Is Mine (Karaoke)