A woman in Astoria, Oregon, battles an angry neighbor who, she claims, takes offense at a bumper sticker on her car. In Plano, Texas, the losing coach of a kid's baseball game gets into a brawl with a parent from the opposing team. And a brave Iowa neighbor helps a family escape from their blazing home.

With neighbors like these, who needs enemies? In a special look back at the top ten most memorable feuds of Neighborhood Wars, these neighbors crossed the line.