<Li> Aldo Maland as Luke Howell </Li> <Li> Oaklee Pendergast as Adam Evans </Li> <Table> <Tr> <Th_colspan="2"> Series </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th> Ave . UK viewers (millions) </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 8 </Td> <Td_colspan="1"> 4 April 2016 </Td> <Td> 17 May 2016 </Td> <Td> 7.59 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 8 </Td> <Td_colspan="1"> 19 February 2018 </Td> <Td> 9 April 2018 </Td> <Td> 5.12 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Series </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th> Ave . UK viewers (millions) </Th> </Tr>

How many episodes are there in marcella series 2