Hey, Aren't You... is a short (15 min) DVD extra featuring interviews with many of the actors who played supporting characters on Seinfeld and the impact the show had on their life.
Louis CK talks about what George Carlin meant to him during a New York Public Library tribute to Carlin hosted by Whoopi Goldberg, that also featured, among others, Ben Stiller, Kevin Smith and Carlin's children Kelly and Patrick.
Manson on Geraldo. Raw footage from Geraldo Rivera's 1987 interview with Charles Manson [1 2 3 4 5 6 7 YouTube NSFW language]. If the duration and the swearing are too much for you, try Bob Odenkirk's Manson and Ask Manson [both YouTube] from the Ben Stiller Show.