Are you familiar with Joseph Campbell's monomyth theory, a.k.a. “The Hero’s Journey”? The basic premise is that the same character types and plot points repeat themselves in story after story. It could be Star Wars or Happy Gilmore: the hero’s journey is there.
Anyway, here are puppets explaining it by acting out scenes from Harry Potter, The Hobbit, The Wizard of Oz, Indiana Jones, and more.
via Laughing Squid.