1st Album: We Hate All Kinds of Violence
Released Date: September 1996
01. Candy
02. 널 사랑한만큼 (As Much As I Love You)
03. 전사의 후예 (Warrior Descendant)
04. 노을속에 비친 그대 모습 (Your Image In The Sunset)
05. 내가 필요할 때 (When I Need You)
06. 오늘도 짜증나는 날이네 (Another Annoying Day)
07. 너는 Fast 나는 Slow (You're Fast I'm Slow)
08. 개성시대 (A Time of Individual Characteristics)
09. About 여자 (About Women)
2nd Album: Wolf & Sheep
Released Date: July 1997
01. Go! H.O.T
02. 늑대와 양 (Wolf and Sheep)
03. 자유롭게 날 수 있도록 (Free To Fly)
04. We Are The Future
05. 행복 (Full Of Happiness)
06. 열등감 (The End of My Inferiority Complex)
07. 12번째 생일 (Lost My 12th Birthday)
08. Tragedy
09. 너와 나 (You and I)
3rd Album: Resurrection
Released Date: September 25, 1998
01. 빛 (Hope)
02. 열맞춰! (Line up!)
03. 투혼 (The Spirit Of Fighter)
04. 우리들의 맹세 (The Promise of H.O.T)
05. H.O.T (House Of Trust) - 아빠! 사랑해요
06. In i - 이 세상에 버려진 모든 아이들을 위하여...
07. Monade
08. Techno Love
09. You Got Gun
10. 소년이여! 신화가 되어라 (Boys, Be a Legend)
11. 홀로서기 (All Alone)
12. 후에… (Since You've Gone)
13. 하나라는 아름다운 느낌 (Unity Is As Beautiful As One)
14. Bonus Track: Wedding X-mas
4th Album: I Yah!
Released Date: September 15, 1999
01. 투지 (鬪志, git it up!)
02. 전쟁 - Talk
03. 아이들 & News (1996/6/30, SBS 8시 뉴스중) - Talk
04. 아이야! (I Yah!)
05. 하늘,꿈,그리고... - Talk
06. The Way That You Like Me
07. 나의 너 (My Girl)
08. 8.15 (제 2의 독립을 위하여...)
09. 신념 - Talk
10. Korean Pride
11. 마지막 음성 - Talk
12. Do or Die
13. 고백 - Talk
14. 축복 (celebrate)
15. 친구 - Talk
16. 영혼 (Soul)
17. 웃음 - Talk
18. Pu Ha Ha
19. 사모 (조지훈) - Talk
20. 환희 (Its Been Raining Since You Left Me)
21. 탈출 - Talk
22. 다시 시작해 (Forever Song)
23. 고마워 미안해 - Talk
24. 고마워 미안해 (Together Song)
1st Concert: 99 Live In Seoul
Released Date: January ?, 2000
Disk 1:
01. Legend Of H.O.T.
02. We Are The Future
03. 투혼 (The Sprit Of Fighter)
04. 행복 (Full Of Happiness) & 빛 (Hope)
05. 멘트-인사말
06. 전사의 후예 & 늑대와 양 (Wolf & Sheep)
07. 자유롭게 날 수 있도록 (Free To Fly) & 우리들의 맹세 (The Promise of H.O.T)
08. 팬들에 대한 인사
09. 널 사랑한 만큼
10. Do Or Die
11. Korean Pride
Disk 2:
01. Right Here Waiting
02. 환희 (It's Been Raining Since You Left Me)
03. 다시 시작해 (Forever Song)
04. 영혼 (Soul)
05. Go! H.O.T. & 오늘도 짜증나는 날이네 & 열등감(The End Of My Inferiority Complex)
06. 열맞춰
07. The Way That You Like Me
08. 투지
09. 클로징 멘트
10. 아이야 (I Yah) - 뉴스
11. 아이야 (I Yah) - 80인조 오케스트라
12. 아이야 (I Yah) - Rock Band
Original Soundtrack: Age of Peace
Released Date: July 2000
01. Age Of Peace (Instrumental)
02. OP.T (Operation Takeover)
03. OP.T #1 - '死鬪'
04. OP.T #2 - 'ZEUS'
05. The Best
06. TTTrack #1 (Techno Time Track #1)
07. TTTrack #2 (Techno Time Track #2)
08. OP.T (3D Movie Concert Scene)
09. OP.T (Instrumental)
10. The Best (Instrumental)
5th Album: They Are Not Different With Us (Outside Castle)
Released Date: October 2, 2000
01. Outside Castle (Castle Outsider)
02. 신비 (Delight)
03. 그래! 그렇게 (We Can Do It)
04. My Mother
05. 꿈의 기도 (Pray For You)
06. 파랑새의 소원 (Wish Of A Blue Bird)
07. Time Will Tell
08. One Last Love
09. Good-Bye 이젠 (Good-Bye For The Last)
10. For 姸歌 (A Song For Lady)
11. Illusion
12. Natural Born Killer (NBK)
13. 버려진 아이들 (Abandoned Children)
14. 늘 지금처럼 (Always My Love)
1st Concert: Forever 2001 Live Concert
Released Date: April ?, 2000
Disk 1:
01. Opening - Effect Show
02. 아이야 (I Yah!)
03. 투지 (Git It Up!) & 전사의 후예 & You Get Gun
04. 멤버 인사말 (Opening Ment)
05. 환희 (It's Been Raining Since You Left Me) & 신비 (Delight)
06. N.B.K. (Natural Born Killer)
07. Time Will Tell
08. Livin' La Vida Loca (토니 Special)
09. Only You (강타 Special)
10. Right Here Waiting (강타 Special)
11. 행복 (Full Of Happiness) - With Fan (강타 Special)
12. Let It Be (강타 Special)
Disc 2:
01. Persia Black Hole (희준 Special)
02. For 연가 (A Song For Lady)
03. We Are The Future + OP.T (Operation Take Over)
04. Scartch Show (우혁 Special)
05. Good Bye 이젠 (Good Bye For The Last) (우혁 Special) - With Tony
06. 행복 (Full Of Happiness) & 빛 (Hope)
07. My Mother
08. 멤버 인사말 (Closing Ment)
09. 너와 나 (You & I)
10. 그래 그렇게 (We Can Do It)
11. 앵콜곡 - Outside Castle (The Castle Outsiders)