<Tr> <Td_colspan="2"> Marilyn after transformation </Td> </Tr> <Tr> <Th> Episode no . </Th> <Td> Season 5 Episode 17 </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Abner Biberman </Td> </Tr> <Tr> <Th> Written by </Th> <Td> John Tomerlin (adapted from Charles Beaumont's 1952 story "The Beautiful People") </Td> </Tr>

The number 12 looks like you twilight zone