<Table> <Tr> <Th_colspan="2"> The Ultimate Fighter: Undefeated </Th> </Tr> <Tr> <Th> Genre </Th> <Td> Reality, Sports </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Craig Piligian, Frank Fertitta III, Lorenzo Fertitta, Dana White </Td> </Tr> <Tr> <Th> Starring </Th> <Td> Dana White, Stipe Miocic, Daniel Cormier </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Running time </Th> <Td> 60 minutes </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> Fox Sports 1 </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 000000002018 - 04 - 18 - 0000 April 18, 2018 </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Preceded by </Th> <Td> The Ultimate Fighter: A New World Champion </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Ultimate Fighter: Undefeated </Th> </Tr>

When does the new ultimate fighter season start
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