7 April 2013 is only one day ... 0.14286 week. (rounded)
Gary and Jim Present - 2013 April Fools 1-7 was released on: USA: 1 April 2013
We are in the 5th month of the year so there are 7 more months to this year. Each month has 4 weeks. 4 x 7 = 28 weeks. From January 2013 to September 2013 is 9 months. 9 x 4= 36. Now add 28 + 36 to get the total number of weeks in your question.
In So Many Words - 2013 was released on: USA: 7 April 2013 (Full Frame Documentary Film Festival) (premiere)
There is exactly 7 weeks between the two dates. So there are no years, 1 month and just under 3 weeks between them.
7 weeks
Doctor Who - 2005 Cold War 7-9 was released on: Canada: 13 April 2013 UK: 13 April 2013 USA: 13 April 2013 Australia: 14 April 2013 Belgium: 5 June 2013 (limited) Netherlands: 5 June 2013 (limited) Finland: 16 July 2013
Chipped - 2013 was released on: USA: 7 April 2013 (limited)
7 weeks = 70,560 minutes.
Nathan for You - 2013 The Claw of Shame 1-7 was released on:USA: 11 April 2013Nathan for You - 2013 The Claw of Shame - 1.7 was released on:USA: 11 April 2013
Chelsea Lately - 2007 7-57 was released on: Canada: 16 April 2013 USA: 16 April 2013
Chelsea Lately - 2007 7-48 was released on: Canada: 1 April 2013 USA: 1 April 2013
Chelsea Lately - 2007 7-50 was released on: Canada: 3 April 2013 USA: 3 April 2013