Cinema has always displayed an affinity to characters with distorted or even hallucinatory relations to reality. With films such as The Truman Show, the Matrix films or Inception, contemporary filmmakers add another layer to this canon of film characters: unwitting ordinary victims of deception for whom the skepticist fear that the world is not real but a simulation, fake environment or a dream has become true. These are 'skepticism films': dramatized, fictional configurations of the thought experiments which are part and parcel of philosophical reflection on knowledge...