Inventors were the rock stars of their day. Edison and Tesla duelled it out at the top of the charts and Einstein was the Bob Marley of science. We explore the wacky world of strange inventions including the unfortunate few who died at the hands of their creations. Hilarity ensues.Sam enters the Dragon's Den to peddle his dreamtime inventions as Jon passes unrelenting judgement on his intelligence and character.Get learned with Sam and Jon.