| Verrückter Mittwoch |
Austria / West Germany |
| Åh, en sån onsdag |
Sweden |
| Adekaros ekatommyriouhos |
Greece (transliterated ISO-LATIN-1 title) |
| Diddlebockin synti |
Finland (TV title) |
| El pecado de Harold |
Spain |
| En tosset onsdag |
Denmark |
| Lui Arslan Pesinde |
Turkey (imdb display title) (Turkish title) |
| Mad Wednesday |
USA (reissue title) |
| Meglio un mercoledì da leone |
Italy |
| Mit csinált Diddlebock szerdán? |
Hungary |
| Oh quel mercredi! |
France |
| Oh, en sån onsdag |
Finland (Swedish title) |
| Oh, qué miércoles |
Spain (DVD title) |
| Os Piores Anos da Sua Vida |
Portugal (imdb display title) |
| Trapalhadas do Haroldo |
Brazil (imdb display title) |
| Voi, mikä keskiviikko |
Finland |
| Zwariowana sroda |
Poland (imdb display title) |