Release Info
Release Dates
| USA | 24 January 2008 | (premiere) (Santa Barbara Film Festival) |
| Ukraine | 7 February 2008 | |
| Ireland | 8 February 2008 | |
| UK | 8 February 2008 | |
| Australia | 14 February 2008 | |
| Canada | 14 February 2008 | |
| USA | 14 February 2008 | |
| Hungary | 28 February 2008 | |
| Portugal | 6 March 2008 | |
| Estonia | 7 March 2008 | |
| Netherlands | 13 March 2008 | |
| Germany | 27 March 2008 | |
| Switzerland | 27 March 2008 | (German speaking region) |
| Austria | 28 March 2008 | |
| Panama | 28 March 2008 | |
| South Korea | 3 April 2008 | |
| Iceland | 4 April 2008 | |
| Singapore | 10 April 2008 | |
| Norway | 11 April 2008 | |
| Poland | 11 April 2008 | |
| Sweden | 11 April 2008 | |
| Taiwan | 11 April 2008 | |
| Mexico | 18 April 2008 | |
| Turkey | 18 April 2008 | |
| Brazil | 25 April 2008 | |
| Egypt | 30 April 2008 | |
| Spain | 30 April 2008 | |
| Belgium | 7 May 2008 | |
| Czech Republic | 8 May 2008 | |
| Romania | 9 May 2008 | |
| Italy | 16 May 2008 | |
| Denmark | 30 May 2008 | |
| Venezuela | 30 May 2008 | |
| France | 25 June 2008 | |
| Argentina | 16 July 2008 | (DVD premiere) |
| Greece | 31 July 2008 | |
| Russia | 16 September 2008 | (DVD premiere) |
| Colombia | 19 September 2008 | |
| Japan | 2 September 2009 | (DVD premiere) |
Also Known As (AKA)
| Definitivamente, quizás | Argentina (imdb display title), Spain |
| Definitivamente, tal vez | Mexico, Venezuela |
| Bien sûr, peut-être | Canada (French title) |
| Certamente, forse | Italy |
| Ehdottomasti ehkä | Finland (imdb display title) |
| Helt sikkert, kanskje | Norway |
| Helt sikkert... måske | Denmark |
| I tant que sí! Potser | Spain (alternative title) (Catalan title) |
| Kesinlikle, belki | Turkey (Turkish title) |
| Kindlasti... võib-olla | Estonia |
| Koja je ona prava? | Croatia (imdb display title) |
| Love Diaries | Japan (English title) |
| Mindenképpen talán | Hungary |
| Na pewno, byc moze | Poland (imdb display title) |
| Para Sempre, Talvez... | Portugal (imdb display title) |
| Sigoura, isos... | Greece (transliterated ISO-LATIN-1 title) |
| Três Vezes Amor | Brazil |
| Un jour, peut-être | France |
| Urcite, mozná | Czech Republic |
| Vielleicht, vielleicht auch nicht | Germany |
