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What the #$*! Do We (K)now!?
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CountryDate
USA 23 April 2004 (Phoenix, Arizona)
USA 18 June 2004 (Los Angeles, California)
USA 10 September 2004 (New York City, New York)
Japan 27 November 2004
Iceland 9 April 2005 (Iceland International Film Festival)
Australia 14 April 2005
Netherlands 12 May 2005
Belgium 18 May 2005
UK 20 May 2005
Hungary 28 July 2005
Israel 28 July 2005
Mexico 5 August 2005 (Mexico City)
Brazil 27 September 2005 (Rio de Janeiro International Film Festival)
Brazil 18 November 2005 (São Paulo)
Germany 24 November 2005
Brazil 25 November 2005 (Rio de Janeiro)
Austria 17 February 2006
Greece 23 February 2006 (limited)
Turkey 17 March 2006
Switzerland 4 May 2006 (German speaking region)
Argentina 14 September 2006
Denmark 19 January 2007
France 7 November 2007

Also Known As (AKA)
Que sait-on vraiment de la réalité!? Belgium (French title) / France
What the Bleep Do We Know!? International (informal title) (English title) / USA
¿¡Y tú que (s)abes!? Spain
¿Y tú qué sabes? Argentina
Ne biliyoruz ki? Turkey (Turkish title)
Quem Somos Nós? Brazil (festival title)
Sacred Science USA (working title)
Ti sto... biip... xeroume? Greece

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