| Official |
|---|
| 1.12 | Lost in Space (extended version) | 5:09 | Avantasia, Michael Kiske & Amanda Somerville | Lost in Space (Pt. 1 & Pt. 2) | Avantasia | Album + Compilation | | Napalm Records | |
| 1.12 | Lost in Space (extended version) | 5:08 | Avantasia | Lost in Space, Parts 1 & 2 | Avantasia | Album + Compilation | | Nuclear Blast | [none] |
| 1.12 | Lost in Space (extended version) | 5:09 | Avantasia | Lost in Space, Parts 1 & 2 | Avantasia | Album + Compilation | | Nuclear Blast | |
| 1.12 | Lost in Space (extended version) | 5:09 | Avantasia | Lost in Space, Parts 1 & 2 | Avantasia | Album + Compilation | | Nuclear Blast | NB 2177-2 |
| 1.12 | Lost in Space (extended version) | 5:09 | Avantasia | Lost in Space, Parts 1 & 2 | Avantasia | Album + Compilation | | Nuclear Blast | NB 2177-2 |
| Bootleg |
|---|
| 1.14 | Lost in Space | 5:09 | Avantasia feat. Michael Kiske | Metal Duets, Vol. 3 | Various Artists | Album + Compilation | | | |