Throwing a party without parental permission is never the most respected choice. If you make this decision, expect to either get away with it or get caught. These kids in Russia fled the apartment when their host's mother showed up unannounced. This was a choice they would later come to regret as one of them got severely hurt.
In Germany, a young boy found himself in the water at the Maritime Museum in Peenemünde, Germany. Thankfully one kind and very brave man jumped in after him.