| Episode | Channel | Broadcast | Viewers | Share | Pos | |
| Part One | |  |  | Mon 7 Apr 1980 5:30pm CST | | | |  |
| Part Two | | | | Tue 8 Apr 1980 5:30pm CST | | | | |
| Part Three | | | | Wed 9 Apr 1980 5:30pm CST | | | | |
| Part Four | | | | Thu 10 Apr 1980 5:30pm CST | | | | |
| Part One | | | | Tue 5 Aug 1980 10:00pm CDT | | | | |
| Part Two | | | | Thu 7 Aug 1980 10:00pm CDT | | | | |
| Part Three | | | | Fri 8 Aug 1980 10:00pm CDT | | | | |
| Part Four | | | | Mon 11 Aug 1980 10:00pm CDT | | | | |
| Movie Format | | | | Sun 5 Apr 1981 11:00pm CST | | | | |
| Part One | |  | | Fri 15 May 1981 6:00pm PDT | | | | |
| Part Two | | | | Mon 18 May 1981 6:00pm PDT | | | | |
| Part Three | | | | Tue 19 May 1981 6:00pm PDT | | | | |
| Part Four | | | | Wed 20 May 1981 6:00pm PDT | | | | |
| Part One | | | | Tue 5 Jan 1982 6:00pm PST | | | | |
| Part Two | | | | Wed 6 Jan 1982 6:00pm PST | | | | |
| Part Three | | | | Thu 7 Jan 1982 6:00pm PST | | | | |
| Part Four | | | | Fri 8 Jan 1982 6:00pm PST | | | | |
| Movie Format | | | | Sat 5 Jun 1982 11:15pm PDT | | | | |
| Movie Format | | | | Sun 25 Jul 1982 11:00pm CDT | | | | |
| Part One | | | | Wed 8 Sep 1982 6:00pm PDT | | | | |
| Part Two | | | | Thu 9 Sep 1982 6:00pm PDT | | | | |
| Part Three | | | | Fri 10 Sep 1982 6:00pm PDT | | | | |
| Part Four | | | | Mon 13 Sep 1982 6:00pm PDT | | | | |
| Movie Format | | | | Sat 27 Nov 1982 9:00am CST | | | | |
| Part One | | | | Tue 24 May 1983 6:00pm PDT | | | | |
| Part Two | | | | Wed 25 May 1983 6:00pm PDT | | | | |
| Part Three | | | | Thu 26 May 1983 6:00pm PDT | | | | |
| Part Four | | | | Fri 27 May 1983 6:00pm PDT | | | | |
| Part One | |  | | Tue 28 Jun 1983 5:00pm PDT | | | | |
| Part One | | | | Tue 28 Jun 1983 10:00pm PDT | | | | |
| Part Two | | | | Wed 29 Jun 1983 5:00pm PDT | | | | |
| Part Two | | | | Wed 29 Jun 1983 10:00pm PDT | | | | |
| Part Three | | | | Thu 30 Jun 1983 5:00pm PDT | | | | |
| Part Three | | | | Thu 30 Jun 1983 10:00pm PDT | | | | |
| Part Four | | | | Fri 1 Jul 1983 5:00pm PDT | | | | |
| Part Four | | | | Fri 1 Jul 1983 10:00pm PDT | | | | |
| Movie Format | | | | Sun 8 Jan 1984 11:00pm CST | | | | |
| Part One | | | | Tue 27 Mar 1984 7:30pm PST | | | | |
| Part Two | | | | Wed 28 Mar 1984 7:30pm PST | | | | |
| Part Three | | | | Thu 29 Mar 1984 7:30pm PST | | | | |
| Part Four | | | | Fri 30 Mar 1984 7:30pm PST | | | | |
| Movie Format | | | | Sat 23 Mar 1985 11:15pm PST | | | | |
| Movie Format | | | | Sun 21 Jul 1985 11:00pm CDT | | | | |
| Part One | | | | Thu 24 Oct 1985 7:30pm PDT | | | | |
| Part Two | | | | Fri 25 Oct 1985 7:30pm PDT | | | | |
| Part Three | | | | Mon 28 Oct 1985 7:30pm PST | | | | |
| Part Four | | | | Tue 29 Oct 1985 7:30pm PST | | | | |
| Movie Format | | | | Sat 16 Aug 1986 11:15pm PDT | | | | |
| Movie Format | | | | Thu 11 Sep 1986 11:15pm PDT | | | | |
| Movie Format | | | | Sun 30 Aug 1987 11:00pm CDT | | | | |
| Part One | | | | Fri 13 Nov 1987 7:00pm PST | | | | |
| Part Two | | | | Mon 16 Nov 1987 7:00pm PST | | | | |
| Part Three | | | | Tue 17 Nov 1987 7:00pm PST | | | | |
| Part Four | | | | Wed 18 Nov 1987 7:00pm PST | | | | |
| Part One | | | | Fri 30 Jun 1989 7:00pm PDT | | | | |
| Part Two | | | | Mon 3 Jul 1989 7:00pm PDT | | | | |
| Part Three | | | | Tue 4 Jul 1989 7:00pm PDT | | | | |
| Part Four | | | | Wed 5 Jul 1989 7:00pm PDT | | | | |
| Movie Format | | | | Sun 29 Oct 1989 11:00pm CST | | | | |
| Movie Format | | | | Sat 24 Mar 1990 11:00pm PST | | | | |
| Movie Format | | | | Tue 4 Dec 1990 12:30am CST | | | | |
| Part One | | | | Thu 20 Dec 1990 7:00pm PST | | | | |
| Part Two | | | | Fri 21 Dec 1990 7:00pm PST | | | | |
| Part Three | | | | Mon 24 Dec 1990 7:00pm PST | | | | |
| Part Four | | | | Tue 25 Dec 1990 7:00pm PST | | | | |
| Movie Format | | | | Sat 28 Mar 1992 12:00am PST | | | | |
| Part One | | | | Fri 25 Sep 1992 7:00pm PDT | | | | |
| Part Two | | | | Mon 28 Sep 1992 7:00pm PDT | | | | |
| Part Three | | | | Tue 29 Sep 1992 7:00pm PDT | | | | |
| Part Four | | | | Wed 30 Sep 1992 7:00pm PDT | | | | |
| Movie Format | | | | Sat 5 Feb 1994 12:00am PST | | | | |
| Movie Format | | | | Sun 6 Nov 1994 11:00pm PST | | | | |
| Movie Format | | | | Sun 28 Jul 1996 11:00pm CDT | | | | |
| Movie Format | | | | Sun 31 Aug 1997 11:00pm PDT | | | | |
| Movie Version | |  | | Sat 12 Sep 1998 10:30pm PDT | | | | |
| Part One | |  | | Sat 23 Jan 1999 9:00pm EST | | | | |
| Part Two | | | | Sat 23 Jan 1999 9:25pm EST | | | | |
| Part Three | | | | Sat 30 Jan 1999 9:00pm EST | | | | |
| Part Four | | | | Sat 30 Jan 1999 9:25pm EST | | | | |
| Movie Version Part One (of 2) | |  | | Sat 20 Feb 1999 5:00pm EST | | | | |
| Movie Version Part One (of 2) | | | | Sun 21 Feb 1999 2:00pm EST | | | | |
| Movie Version Part Two (of 2) | | | | Sat 27 Feb 1999 5:00pm EST | | | | |
| Movie Version Part Two (of 2) | | | | Sun 28 Feb 1999 2:00pm EST | | | | |
| Part One | |  | | Sat 27 Mar 1999 11:00pm EST | | | | |
| Part Two | | | | Sat 3 Apr 1999 11:00pm EST | | | | |
| Part Three | | | | Sat 10 Apr 1999 11:00pm EDT | | | | |
| Part Four | | | | Sat 17 Apr 1999 11:00pm EDT | | | | |
| Part One | | | | Mon 26 Apr 1999 12:00am PDT | | | | |
| Part Two | | | | Mon 26 Apr 1999 12:25am PDT | | | | |
| Part Three | | | | Mon 26 Apr 1999 12:50am PDT | | | | |
| Part Four | | | | Mon 26 Apr 1999 1:15am PDT | | | | |
| Part One | |  | | Fri 14 May 1999 10:30pm CDT | | | | |
| Part Two | | | | Fri 21 May 1999 10:30pm CDT | | | | |
| Part One | |  | | Sat 22 May 1999 11:00pm EDT | | | | |
| Part Two | | | | Sat 22 May 1999 11:25pm EDT | | | | |
| Part Three | | | | Fri 28 May 1999 10:30pm CDT | | | | |
| Part Three | | | | Sat 29 May 1999 11:00pm EDT | | | | |
| Part Four | | | | Sat 29 May 1999 11:25pm EDT | | | | |
| Part Four | | | | Fri 4 Jun 1999 10:30pm CDT | | | | |
| Movie Version | |  | | Sat 12 Jun 1999 11:00pm MDT | | | | |
