<Table> <Tr> <Th_colspan="2"> Norma Bates </Th> </Tr> <Tr> <Td_colspan="2"> Psycho character </Td> </Tr> <Tr> <Td_colspan="2"> Norma Bates as a corpse in Psycho (1960). </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> Psycho (1959) </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Robert Bloch </Td> </Tr> <Tr> <Th> Portrayed by </Th> <Td> Virginia Gregg, Jeanette Nolan, Paul Jasmin (Psycho (1960)) Virginia Gregg (Psycho II--Psycho III) Olivia Hussey, Alice Hirson (Psycho IV: The Beginning) John Kassir (Oatmeal Crisp commercial (1990)) Rose Marie (Psycho (1998)) Vera Farmiga (Bates Motel) Sarah Grey, Madyson Parsons, Mira Eden (Bates Motel, flashbacks) </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Full name </Th> <Td> Norma Spool Bates (Psycho film sequels) Norma Louise Calhoun Bates (Bates Motel) </Td> </Tr> <Tr> <Th> Aliases </Th> <Td> Mrs. Bates Mother </Td> </Tr> <Tr> <Th> Gender </Th> <Td> Female </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> Former owner of the Bates Motel </Td> </Tr> <Tr> <Th> Family </Th> <Td> Ray Calhoun (deceased father; Bates Motel only) Francine Calhoun (deceased mother; Bates Motel only) Emma Spool (deceased sister; film canon only) Caleb Calhoun (deceased brother; Bates Motel only) Kate Massett (granddaughter / grandniece; Bates Motel only) </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> John / Sam Bates (deceased husband) John Massett (ex-husband; Bates Motel only) Alex Romero (deceased third husband; Bates Motel only) </Td> </Tr> <Tr> <Th> Children </Th> <Td> Norman Bates (son, deceased in Bates Motel) Dylan Massett (son / nephew; Bates Motel only) Robert Newman (son; Bloch's novels only) </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Dr. Constance "Connie" Forbes - Bates (daughter - in - law; film canon only) Emma Decody (daughter - in - law; Bates Motel only) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Norma Bates </Th> </Tr> <Tr> <Td_colspan="2"> Psycho character </Td> </Tr> <Tr> <Td_colspan="2"> Norma Bates as a corpse in Psycho (1960). </Td> </Tr>

What episode does norman bates kill his mother