Season 4, Episode 1
October 16, 2008
The fourth-season premiere brings together outspoken human-rights activist Archbishop Desmond Tutu of the Anglican Church of South Africa and British entrepreneur and adventurer Richard Branson.
Season 4, Episode 2
October 23, 2008
British fashion designer Stella McCartney and American Pop artist Ed Ruscha discuss their work and passions.
Season 4, Episode 3
October 30, 2008
Professional skateboarder Tony Hawk and actor-turned-director Jon Favreau ("Iron Man") get together to discuss their passions.
Season 4, Episode 4
November 6, 2008
Political commentator and comedian Bill Maher joins legendary music-industry titan Clive Davis to discuss relationships, religion and the early days of their careers.
Season 4, Episode 5
November 13, 2008
Tennis pro Venus Williams receives a guitar lesson from musician Wyclef Jean; later, Venus mentors Wyclef on the tennis court.
Season 4, Episode 6
November 20, 2008
Actress and environmental advocate Cameron Diaz meets with Cameron Sinclair, cofounder of Architecture for Humanity.
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