The full 31 minute interview where Stephen Fry talks about what he wished he knew at 18 and general commentary on life, the universe, and everything. (4 minute excerpt was previously sifted at http://videosift.com/video/Stephen-Fry-Getting-out-of-the-I-Mode)
Part 2: http://www.youtube.com/watch?v=xrF-2HWjz5k&feature=related
Part 3: http://www.youtube.com/watch?v=b3DzNFZKVs8&feature=related
Part 4: http://www.youtube.com/watch?v=kwMV6jRujgs&feature=related