Kids Are from Earth, Parents Are from Pluto & Nerves of Steal

Kids Are from Earth, Parents Are from Pluto: Lakewood Elementary is having a school open house and Arthur and his friends are embarrassed by how their parents will act judging from the previous year's open house. This prompts Sue Ellen to ask her parents to act more "normal".
Nerves of Steal: Buster wants a Cybertoy , the latest fad , but they are too expensive, so while he is at the store he slips one into Arthur's backpack without him noticing. He feels guilty later, so he and Arthur try to return it without getting into trouble.