The Secret Number
We are not sure of the release date for The Secret Number. It was released at the box office on 2012-06-15 so we estimate it was released to DVD in September 2012.
Director: Colin Levy
Cast: Tom Nowicki, Tom Carleglio, James Troutman, and Daniel Jones
A psychiatrist is compelled by his patient, an obsessive mathematician, to consider the existence of a secret integer between three and four.