| Director: | Richard Hobert |
| Starring: | Harriet Andersson Sven-Bertil Taube |
| Music: | Åke Parmerud |
| Country: | Sweden |
| Language: | Swedish |
| Num Seasons: | 1 |
| Num Episodes: | 3 |
| Producer: | Aina Behring |
| Cinematography: | Lars Crépin |
| Runtime: | 131 minutes |
| Network: | SVT2 |
Ålder okänd (translates to Age Unknown) is a 1991 miniseries written and directed by Richard Hobert. The miniseries was shown on Swedish SVT2 in three parts of 50 minutes each.
A scientist discovers what he believes to be a way of slowing down the aging process, and has started to administer the substance to select people.