interview with Alex Winter, director of the DeepWeb Documentary (premiere May 2015):
Joe Rogan Experience #633 - Alex Winter

short doc on bitcoin in greece (with english subs):
Bitcoin and Digital Economy (Documentary) (Apr 2015; length: 13min)

two discussions @ The Museum of American Finance, NY
Bitcoin and the Future of Payments Technology - Fireside Chat (Apr 2015; length: 30min)
Bitcoin and the Future of Payments Technology - Panel Discusion

two interesting interviews from last year's Bitcoin conference in Amsterdam:
Gavin Andresen about Bitcoin (Apr 2015; length: 16min)
Patrick Byrne about Bitcoin (Mar 2015; length: 7min)

Bitcoin and the Blockchain | Rick Falkvinge | TEDxBucharest (Apr 2015; length: 18min)

edit:

Bitcoin, The Distribution of Power & Trust - Eric Spano (Mar 2015; length: 67min)

Bitcoin and the Blockchain: Financial Quagmire or Evolutionary Stampede? (Mar 2015; length: 108min)

Steven Hail's presentation on modern money and the "budget emergency". (Aug 2014; length: 88min)