<Li> Clare - Hope Ashitey as Carly Williams (episode 4) </Li> <Li> Philip Wright as Connor, Ros' fiancee and then husband (episodes 1, 3, 5) </Li> <Table> <Tr> <Th_colspan="2"> Series </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="2"> Average viewership </Th> </Tr> <Tr> <Th> Series premiere </Th> <Th> Series finale </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 5 </Td> <Td> 9 September 2015 (2015 - 09 - 09) </Td> <Td> 7 October 2015 (2015 - 10 - 07) </Td> <Td> 9.51 million </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 5 </Td> <Td> 5 September 2017 (2017 - 09 - 05) </Td> <Td> 3 October 2017 (2017 - 10 - 03) </Td> <Td> 10.20 million </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Series </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="2"> Average viewership </Th> </Tr>

How many episodes in season 2 of dr foster