In what year did 'Little House on the Prairie' premiere?

Who created 'The Bob Newhart Show'? On which network did 'Happy Days' originally air? In what year did 'Happy Days' premiere? On which network did 'Little House on the Prairie' originally air? Where is 'Little House on the Prairie' set? On which network did 'Good Times' originally air? In what year did 'Good Times' premiere? Where is 'Good Times' set?