Investigating the mysterious figures in Greek society known as oracles, who reputedly spoke the word of the gods. Jamie investigates the story of the Oracle at Delphi - a figure of immense historical importance, who is still shrouded in mystery.

Nikola Tesla was one of the most enigmatic, but least known, scientists of the last century. He was an early pioneer of both electricity and radio and created one of the first electrical motors. How did he die in poverty and under suspicion by the FBI?