The BBC did a one hour show on Mormonism and Mitt Romney.  It covers basic beliefs about Joseph Smith (Part 1), the temple, marketing campaign, polygamy (Part 1), prophets, leaving the church (Part 4), strengthening church members committee (Part 4), Park Romney (Mitt’s cousin, Part 5), baptism of the dead (Part 5) and other topics.  The video also includes a brief interview with one of the church’s twelve apostles (Parts 1, 3, 4).  The video is broken into six parts in YouTube:

This article about Romney and Mormonism may be of interest.  Visit this site if you’d like to see a comparison of Mormonism and Christianity.