<Tr> <Td> 1977 </Td> <Td> Mary Hartman, Mary Hartman </Td> <Td> Johnny Doe / Wild Child </Td> <Td> 23 episodes </Td> </Tr> <Tr> <Td> 1978--83 </Td> <Td> Little House on the Prairie </Td> <Td> Albert Quinn Ingalls </Td> <Td> 88 episodes </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> King of the Gypsies </Td> <Td> Middle Dave </Td> <Td> Feature film </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> Killing Stone </Td> <Td> Christopher Stone </Td> <Td> TV movie </Td> </Tr>

What happened to charles on little house on the prairie