http://jimharold.com/the-paranormal-podcast/real-encounters-different-dimensions-and-otherworldly-beings-paranormal-podcast-308
I can never get enough of these kinds of shows.
http://www.bibliotecapleyades.net/ciencia/ciencia_dimensiones01.htm
http://ed.ted.com/lessons/exploring-other-dimensions-alex-rosenthal-and-george-zaidan
http://science.howstuffworks.com/science-vs-myth/everyday-myths/see-the-fourth-dimension.htm