Füge eine Handlung in deiner Sprache hinzuWhile divorced and bickering grandparents watch their grandchildren, a lab experiment gone awry transforms the elders into teenagers again.While divorced and bickering grandparents watch their grandchildren, a lab experiment gone awry transforms the elders into teenagers again.While divorced and bickering grandparents watch their grandchildren, a lab experiment gone awry transforms the elders into teenagers again.