| I.M.E. | Helloween | | 3.5 | 3:46 | |
| I'm Alive | Helloween | | | 3:22 | |
| I'm Alive | Helloween | | | ?:?? | |
| I'm Alive | Helloween | | | 3:50 | |
| I'm Alive | Helloween | | | 3:54 | |
| I'm Alive | Helloween | | | 4:53 | |
| I'm Alive (live) | Helloween | | | 3:47 | |
| I'm Doin' Fine, Crazy Man | Helloween | | | 3:40 | |
| I'm Free | Helloween | | 4 | 4:10 | |
| I’m Alive | Helloween | | 5 | 3:23 | |
| I’m Alive | Helloween | | | 3:27 | |
| I’m Alive | Helloween | | | 3:48 | |
| I’m Alive | Helloween | | | 3:23 | |
| I’m Doin’ Fine, Crazy Man | Helloween | | 3 | 3:40 | |
| If a Mountain Could Talk | Helloween | | 4.5 | 6:44 | |
| If God Loves Rock ’n’ Roll | Helloween | | 4 | 3:21 | |
| If I Could Fly | Helloween | | 4.35 | 4:09 | |
| If I Could Fly | Helloween | | | 3:30 | |
| If I Could Fly | Helloween | | | 4:10 | |
| If I Could Fly | Helloween | | | 3:29 | |
| If I Could Fly | Helloween | | | 4:09 | |
| If I Could Fly | Helloween | | | 3:37 | |
| If I Could Fly | Helloween | | | 4:09 | |
| If I Could Fly | Helloween | | | 4:01 | |
| If I Could Fly | Helloween | | | 4:13 | |
| If I Could Fly | Helloween | | | ?:?? | |
| If I Could Fly | Helloween | | | 3:29 | |
| If I Could Fly (extended version) | Helloween | | | 4:10 | |
| If I Could Fly (live, Sao Paolo, 2006-03) | Helloween | | | 4:10 | |
| If I Could Fly (live) | Helloween | | | 4:09 | |
| If I Could Fly (radio mix) | Helloween | | | 3:29 | |
| If I Could Fly (single edit) | Helloween | | 2 | 3:31 | |
| If I Knew | Helloween | | 3.5 | 5:31 | |
| Immortal | Helloween | | 3 | 4:04 | |
| In the Middle of a Heartbeat | Helloween | | 3.65 | 4:30 | |
| In the Middle of a Heartbeat | Helloween | | | 3:09 | |
| In the Night | Helloween | | 3 | 5:35 | |
| Indestructible | Helloween | | 4 | 4:43 | |
| Initiation | Helloween | | 2.35 | 1:21 | |
| Initiation: I'm Alive | Helloween | | | 5:02 | |
| Interviews | Helloween | | | 44:10 | |
| Intro | Helloween | | | 2:20 | |
| Intro | Helloween | | | 0:15 | |
| Intro | Helloween | | | ?:?? | |
| Intro | Helloween | | | 0:04 | |
| Intro | Helloween | | | 2:08 | |
| Intro / Ride the Sky (live) | Helloween | | | 7:16 | |
| Introduction | Helloween | | 2 | 3:53 | |
| Introduction | Helloween | | | 3:57 | |
| Introduction (Kai Hansen Interview) | Helloween | | | 3:43 | |
| Invitation | Helloween | | 2.35 | 1:08 | |
| Invitation | Helloween | | | 0:53 | |
| Invitation | Helloween | | | 0:51 | |
| Invitation / Eagle Fly Free | Helloween | | | 7:13 | |
| Invitation / Eagle Fly Free | Helloween | | | 7:55 | |
| Irritation | Helloween | | 2 | 1:16 | |
| Irritation | Helloween | | | 1:15 | |
| Judas | Helloween | | 3.65 | 4:40 | |
| Judas | Helloween | | | 5:05 | |
| Judas | Helloween | | | ?:?? | |
| Juggernaut | Helloween | | 3 | 4:50 | |
| Just a Little Sign | Helloween | | 3 | 4:27 | |
| Just a Little Sign | Helloween | | | ?:?? | |
| Kai’s Medley (Starlight / Ride the Sky / Judas / Heavy Metal Is the Law) | Helloween | | | 14:36 | |
| Kai’s Medley: Starlight / Ride the Sky / Judas / Heavy Metal Is the Law | Helloween | | | 13:52 | |
| Keeper of the Seven Keys | Helloween | | 4 | 13:38 | |
| Keeper of the Seven Keys | Helloween | | | 4:52 | |
| Keeper of the Seven Keys | Helloween | | | 13:45 | |
| Keeper of the Seven Keys | Helloween | | | 13:17 | |
| Keeper of the Seven Keys | Helloween | | | 14:24 | |
| Keeper of the Seven Keys | Helloween | | | 15:34 | |
| Keeper of the Seven Keys | Helloween | | | 13:33 | |
| Keeper of the Seven Keys | Helloween | | | 17:03 | |
| Keeper of the Seven Keys | Helloween | | | 20:13 | |
| Keeper Of The Seven Keys | Helloween | | | 14:17 | |
| Keeper of the Seven Keys (remix) | Helloween | | 4 | 13:51 | |
| Kids of Century | Helloween | | | 4:54 | |
| Kids of the Century | Helloween | | 3 | 3:52 | |
| Kids of the Century | Helloween | | | 3:52 | |
| Kids of the Century | Helloween | | | 4:08 | |
| Kids of the Century | Helloween | | | 4:00 | |
| Kids of the Century | Helloween | | | ?:?? | |
| Kill It | Helloween | | 3.5 | 4:14 | |
| Kings Will Be Kings | Helloween | | 4 | 5:09 | |
| Laudate Dominum | Helloween | | 4.35 | 5:12 | |
| Lay All Your Love on Me | Helloween | | 2.5 | 4:37 | |
| Les Hambourgeois Walkways | Helloween | | 3 | 5:46 | |
| Les Hambourgeois Walkways | Helloween | | | 5:46 | |
| Liar | Helloween | | 3.5 | 4:57 | |
| Light in the Sky | Helloween | | 3 | 2:35 | |
| Light the Universe | Helloween feat. Candice Night | | 3.5 | 5:01 | |
| Light the Universe | Helloween | | | 4:52 | |
| Light the Universe | Helloween | | | ?:?? | |
| Light the Universe (Andi Deris version) | Helloween | | | 5:01 | |
| Light The Universe (video clip) | Helloween | | | ?:?? | |
| Light The Universe (Video Clip) | Helloween | | | 4:47 | |
| Like Everybody Else | Helloween | | 3 | 4:03 | |
| Listen to the Flies | Helloween | | 3 | 4:54 | |
| Live Now! | Helloween | | 3 | 3:11 | |
| Livin’ Ain’t No Crime | Helloween | | 3 | 4:42 | |
