Found these animations. Short clips summarising philosophical issues on morals and principles. They're about 2 mins long each. Not sure if they work outside the UK.
http://www.bbc.co.uk/programmes/art...eas&intc_linkname=radiofour_factual_videoclip
http://www.bbc.co.uk/programmes/art...eas&intc_linkname=radiofour_factual_videoclip