| Akte X - Jenseits der Wahrheit |
Germany |
| Arkiv X - I want to believe |
Sweden |
| Arquivo X - Eu Quero Acreditar |
Brazil |
| Dosjei X - Zelim vjerovati |
Croatia |
| Ficheiros Secretos: Quero Acreditar |
Portugal |
| Los expedientes secretos X - Quiero creer |
Argentina |
| Los expedientes secretos X 2 |
Venezuela |
| Salatoimikud - Ma tahan uskuda |
Estonia |
| The X Files - Inanmak Istiyorum |
Turkey (Turkish title) |
| The X Files 2 |
USA (working title) |
| The X Files: Done One |
USA (working title) |
| The X-Files |
USA (promotional abbreviation) |
| The X-Files - Thelo na pistepso |
Greece |
| The X-Files Movie |
USA (promotional title) |
| The X-Files: I Want to Believe |
USA (alternative spelling) |
| Untitled X Files Sequel |
USA (working title) |
| X-Files - Creer es la clave |
Spain |
| X-Files - Voglio crederci |
Italy |
| X-Files: Je veux y croire |
Canada (French title) |
| X-Files: Régénération |
France |
| X-Files: Tron på prövning |
Finland (Swedish title) |
| X-Files: Usko koetuksella |
Finland |
| Z archiwum X - Chce wierzyc |
Poland |