In this episode of Barney and Friends, Barney teaches the kids how to play safe. Baby Bop and BJ come to the park to play and learn how to s wing and slide and still follow the safety rules. "Don't stand on the swing." "Always take turns on the slide." Sarah and Whitney put on a p uppet show with nursery rhymes that aren't very safe, including Humpty Dumpty and Jack Be Nimble. Before it's time to go, Barney and the gan g learn that you can't forget to clean up - another safety rule.