Release Dates
| UK | 27 September 1985 | |
| USA | 27 September 1985 | |
| France | 24 February 1986 | |
| Sweden | 11 July 1986 | |
| West Germany | 31 July 1987 |
Also Known As (AKA)
| Australia | The New Twilight Zone |
| Brazil | Além da Imaginação |
| Germany | Unbekannte Dimensionen |
| Spain | Más allá de los límites de la realidad |
| Finland | Hämärän rajamailla |
| Finland (rerun title) | Pelon rajalla |
| France | La cinquième dimension |
| France (DVD title) | La quatrième dimension |
| Greece (transliterated ISO-LATIN-1 title) | I zoni tou lykofotos |
| Greece (video title) | O kyklos tou lykofotos |
| Greece | Η ζώνη του λυκόφωτος |
| Hungary | Alkonyzóna |
| Italy | Ai confini della realtà |
| Poland | Strefa mroku |
| Romania | Zona crepusculara |
| Serbia | Zona sumraka |
| Russia | Сумеречная зона |
| Sweden | Skymningszonen |
| Slovenia | Obmocje somraka |
| Turkey (Turkish title) | Alacakaranlik kusagi |
| West Germany | Unbekannte Dimensionen |
