<P> ^ 1 Merrick Hanna and Mandy Harvey were switched to perform on Week 2 although they were on the Week 1 promo . </P> <P> ^ 2 Klum's voting intention was not revealed . </P> <P> The final performances took place on September 19, followed by the final results show on September 20, 2017 . No acts were buzzed . </P> <Table> <Tr> <Th> Key </Th> <Td> Advanced to the top 5 </Td> <Td> Top 10 </Td> </Tr> </Table>

When is the season 12 finale of americas got talent