<Table> <Tr> <Th_colspan="2"> The Timeline </Th> </Tr> <Tr> <Th> Genre </Th> <Td> Documentary </Td> </Tr> <Tr> <Th> Created by </Th> <Td> NFL Films NFL Network </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 21 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> NFL Network </Td> </Tr> <Tr> <Th> Original release </Th> <Td> December 3, 2015 (2015 - 12 - 03)--Present (Present) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Timeline </Th> </Tr>

The timeline a tale of two cities full episode