People who take issue with string theory do so precisely because what you're asking is impossible (in their view, anyway). Various technical properties of the theory (like the fact that it represents only a description of an uncountably infinite class of possible mathematical theories) make it impossible to disprove. See, for example: http://www.math.columbia.edu/~woit/wordpress/

None of which has anything to do with the problems in the video. Those are more of the "subtle, pernicious category mistake" variety.