<Tr> <Th> Running time </Th> <Td> 54--60 minutes </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> BBC One </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 19 January 2014 (2014 - 01 - 19)--1 August 2016 (2016 - 08 - 01) </Td> </Tr>

When does season 4 of the musketeers start