Though over ten years old now, The Whole Child: A Caregiver's Guide to the First Five Years video series from PBS still contains a fair amount of good information. Any of the 13 video segments can be streamed into the classroom via www.learner.org.
For the video series, The Whole Child: A Caregiver's Guide to the First Five Years go to http://www.learner.org/resources/series59.html
For information on the accompanying website at PBS go to The Whole Child Website at http://www.pbs.org/wholechild/ Make it a point to check out the "The ABC's of Child Development" section of the site. It contains four fantastic chart summaries of different areas of development.