<Tr> <Th> Written by </Th> <Td> Robert Sloman Barry Letts (uncredited) </Td> </Tr> <Tr> <Th> Script editor </Th> <Td> Terrance Dicks </Td> </Tr> <Tr> <Th> Produced by </Th> <Td> Barry Letts (uncredited) </Td> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> None </Td> </Tr>

Doctor who planet of the spiders part 6