Regarding Divorce

If you would like to use a video to explain divorce to kids, I recommend:
Lemons 2 Lemonade: How to handle life when things go sour between Mom and Dad
Written and produced by two divorce experts, this entertaining and informative 45-minute program features children and adults talking in child-level language about divorce. A workbook is available to go along with the video. 

If you want to avoid a custody battle, check out:
Kramer vs. Kramer (1979). 
Dustin Hoffman and Meryl Streep give a riveting and realistic portrayal of a couple engaged in a  bitter custody  battle.  Don’t repeat their mistakes.

If you want a more positive view of how parents can work together after divorce, check out:
Life as a House (New Line Platinum Series)
A divorced couple work together to redeem a son who is headed in the wrong direction. 

If you want to see how miserable you can make yourself and your ex, check out:
The War of the Roses
Michael Douglas and Kathleen Turner make war on each other before, during, and after divorce with deadly consequences.