"Fight of the Century" is the new economics hip-hop music video by John Papola and Russ Roberts at http://EconStories.tv.. It is really really good... it depicts the core differences between the economic theories of John Maynard Keynes and Friedrich Hayek (known for the book The Road to Serfdom).
And here's a Q&A with Russ Roberts from Reason.tv's Nick Gillespie.