This episode deals with the idea of freedom - in spirituality and as a central theme of Bob's music.

This episode explores the generally misunderstood biblical concept of "an eye for an eye" as well as Nick's thoughts on science, prayer and music. 

This episode explores the strange phenomenon commonly known as sleep. In addition to Billie's take, it features two others by Metallica and Evanescence.

This episode explores concepts of forgiveness though the work of four great artists - John Lennon, REM, Madonna and Brandi Carlile.

This episode explores how Jimi Hendrix used his music as a tool to transcend his difficult upbringing and to promote love and spirituality to his legions of fans.

This episode explores the ideas of soul communication, prophecy and higher worlds.

This episode explores U2's struggle to balance their fame with their faith.

This episode explores the cultural, psychological and spiritual significance of the city of Jerusalem.