Whether you were previously looking forward to "American Reunion" or not, we guarantee that you'll be giggling at this teaser . What happens when dad is having some "personal" time and gets interrupted by a kiddo. Watch the video and find out.

<a href="http://movies.msn.com/movies/movie-trailers/#/video/099bb2c4-ef9b-4f9e-9d7f-404f8e5d8b36?src=FLPl:embed::uuids" target="_new" title="&apos;American Reunion&apos; movie trailer (mature)">Video: &apos;American Reunion&apos; movie trailer (mature)</a>