| Episode | Channel | Broadcast | Viewers | Share | Pos | |
| Part One | |  |  | Sat 4 Sep 1976 6:12pm BST | 8.30m | | 40 |  |
| Part One | Sydney, Melb, Canberra, Hobart |  |  | Tue 7 Mar 1978 6:30pm AEST | | | | |
| Part One | Adelaide | | | Tue 7 Mar 1978 6:30pm ACST | | | | |
| Part One | Perth | | | Tue 7 Mar 1978 ~6:30pm AWST | | | | |
| Part One | Brisbane | | | Wed 15 Mar 1978 6:30pm AEST | | | | |
| Part One | Sydney, Canberra | | | Tue 12 Sep 1978 ~6:30pm AEST | | | | |
| Part One | Melbourne, Hobart | | | Wed 13 Sep 1978 ~6:30pm AEST | | | | |
| Part One | Adelaide | | | Tue 26 Sep 1978 6:30pm ACST | | | | |
| Part One | Brisbane | | | Tue 31 Oct 1978 6:30pm AEST | | | | |
| Part One | |  |  | Sat 21 Jul 1979 3:50pm NZST | | | | |
| Part One | Sydney, Brisbane, Canberra, Ho | | | Thu 18 Oct 1979 6:30pm AEST | | | | |
| Part One | Melbourne, Adelaide | | | Wed 24 Oct 1979 ~6:30pm AEST | | | | |
| Part One | |  |  | Mon 5 May 1980 5:30pm CDT | | | | |
| Part One | | | | Tue 16 Sep 1980 10:00pm CDT | | | | |
| Part One | Sydney, Brisbane, Canberra | | | Wed 8 Oct 1980 6:30pm AEST | | | | |
| Part One | Melbourne, Adelaide, Hobart | | | Mon 13 Oct 1980 ~6:30pm AEST | | | | |
| Part One | Perth | | | Wed 15 Oct 1980 ~6:30pm AWST | | | | |
| Movie Format | | | | Sun 10 May 1981 11:00pm CDT | | | | |
| Part One | |  | | Tue 16 Jun 1981 6:00pm PDT | | | | |
| Part One | | | | Thu 4 Feb 1982 6:00pm PST | | | | |
| Part One and Two | National except Hobart | | | Mon 28 Jun 1982 6:05pm AEST | | | | |
| Part One and Two | Hobart | | | Thu 1 Jul 1982 ~6:05pm AEST | | | | |
| Movie Format | | | | Sat 3 Jul 1982 11:15pm PDT | | | | |
| Movie Format | | | | Sun 29 Aug 1982 11:00pm CDT | | | | |
| Part One | | | | Mon 4 Oct 1982 6:00pm PDT | | | | |
| Movie Format | | | | Sat 8 Jan 1983 9:00am CST | | | | |
| Part One | | | | Mon 20 Jun 1983 6:00pm PDT | | | | |
| Part One | | | | Thu 24 Nov 1983 6:30pm AEDT | | | | |
| Movie Format | | | | Sun 12 Feb 1984 11:00pm CST | | | | |
| Part One | | | | Fri 20 Apr 1984 7:30pm PST | | | | |
| Movie Format | | | | Sat 20 Apr 1985 11:15pm PST | | | | |
| Movie Format | | | | Sun 25 Aug 1985 11:00pm CDT | | | | |
| Part One | | | | Tue 19 Nov 1985 7:30pm PST | | | | |
| Movie Format | | | | Sat 13 Sep 1986 11:15pm PDT | | | | |
| Movie Format | | | | Thu 9 Oct 1986 11:15pm PDT | | | | |
| Part One | |  | | Tue 9 Jun 1987 5:30pm NZST | | | | |
| Part One and Two | | | | Sat 13 Jun 1987 6:10pm AEST | | | | |
| Part One | |  | | Mon 28 Sep 1987 5:30pm BST | | | | |
| Movie Format | | | | Sun 4 Oct 1987 11:00pm CDT | | | | |
| Part One | | | | Wed 9 Dec 1987 7:00pm PST | | | | |
| Part One | |  |  | Thu 19 May 1988 7:30pm CEST | | | | |
| Part One | | | | Mon 1 Aug 1988 5:30pm BST | | | | |
| La Máscara de Mandrágora (I) | |  | | Fri 5 Aug 1988 8:00pm CEST | | | | |
| Parts 1 & 2 | |  | | Sun 4 Jun 1989 8:50am BST | | | | |
| Part One | | | | Tue 27 Jun 1989 5:30pm AEST | | | | |
| Part One | | | | Wed 26 Jul 1989 7:00pm PDT | | | | |
| Movie Format | | | | Sun 3 Dec 1989 11:10pm CST | | | | |
| Movie Format | | | | Sat 21 Apr 1990 11:00pm PDT | | | | |
| Movie Format | | | | Wed 12 Dec 1990 12:30am CST | | | | |
| Part One | | | | Tue 15 Jan 1991 7:00pm PST | | | | |
| Part One | | | | Tue 3 Sep 1991 11:30am CEST | | | | |
| Movie Format | | | | Sat 9 May 1992 12:00am PDT | | | | |
| Movie Format | | | | Sun 25 Oct 1992 10:00pm PST | | | | |
| Part One | | | | Tue 14 Sep 1993 4:30am AEST | | | | |
| Part One | |  | | Tue 12 Oct 1993 11:35pm BST | | | | |
| Omnibus | | | | Sun 31 Oct 1993 10:00am GMT | | | | |
| Movie Format | | | | Sat 19 Mar 1994 12:44am PST | | | | |
| Movie Format | | | | Sun 4 Dec 1994 11:30pm PST | | | | |
| Part One | |  | | Tue 7 Nov 1995 12:15am GMT | | | | |
| Omnibus | | | | Sun 12 Nov 1995 10:10am GMT | | | | |
| Omnibus | | | | Sun 4 May 1997 11:15am BST | | | | |
| Part One | |  | | Thu 24 Jul 1997 11:30pm AEST | | | | |
| Omnibus | | | | Sat 2 Aug 1997 1:00pm AEST | | | | |
| Omnibus | | | | Sun 3 Aug 1997 2:00am AEST | | | | |
| Omnibus | | | | Sun 3 Aug 1997 8:00am AEST | | | | |
| Part One | | | | Tue 5 Aug 1997 7:20pm BST | | | | |
| Movie Format | | | | Sun 28 Sep 1997 11:21pm PDT | | | | |
| Movie Version | |  | | Sat 10 Oct 1998 10:30pm PDT | | | | |
| Omnibus | |  | | Sun 11 Apr 1999 8:55am BST | | | | |
| Omnibus | UK Gold 2 | | | Sun 11 Apr 1999 6:00pm BST | | | | |
| Part One | |  | | Sat 15 May 1999 9:00pm EDT | | | | |
| Part One | | | | Sun 23 May 1999 11:00pm PDT | | | | |
| Movie Version | |  | | Sat 17 Jul 1999 11:00pm MDT | | | | |
| Part One | |  | | Fri 6 Aug 1999 10:30pm CDT | | | | |
| Part One | |  | | Sat 7 Aug 1999 11:25pm EDT | | | | |
| Part One | | | | Fri 13 Aug 1999 8:00pm CDT | | | | |
| Movie Version | |  | | Sat 28 Aug 1999 10:30pm MDT | | | | |
| Part One | |  | | Sat 25 Sep 1999 11:30pm EDT | | | | |
| Movie Version Part One (of 2) | |  | | Sat 13 Nov 1999 7:00am EST | | | | |
| Movie Version Part One (of 2) | | | | Sat 13 Nov 1999 5:00pm EST | | | | |
| Movie Version | |  | | Sun 14 Nov 1999 12:30am EST | | | | |
| Movie Version Part One (of 2) | | | | Sun 14 Nov 1999 8:00am EST | | | | |
| Part One | |  | | Sat 15 Jan 2000 10:00pm MST | | | | |
| Part One | | | | Sat 29 Jan 2000 12:30am MST | | | | |
| Movie Version Part One (of 2) | | | | Sat 29 Jan 2000 7:00am EST | | | | |
| Part One | |  | | Sat 29 Jan 2000 10:00pm CST | | | | |
| Movie Version Part One (of 2) | | | | Sun 30 Jan 2000 10:00am EST | | | | |
| Movie Version Part One (of 2) | | | | Sun 30 Jan 2000 5:00pm EST | | | | |
| Movie Version | | | | Sat 12 Feb 2000 10:30pm MST | | | | |
| Part One | |  | | Sat 4 Mar 2000 11:45pm CST | | | | |
| Movie Version | | | | Sat 11 Mar 2000 10:30pm MST | | | | |
| Part One | |  | | Fri 2 Jun 2000 11:35pm CDT | | | | |
| Movie Version Part One (of 2) | | | | Thu 27 Jul 2000 5:00am EDT | | | | |
| Part One | |  | | Sun 27 Aug 2000 3:00pm EDT | | | | |
| Part One | |  | | Sat 9 Sep 2000 11:55pm EDT | | | | |
| Movie Version: Part One (of 2) | | | | Tue 12 Sep 2000 5:00am EDT | | | | |
| Part One | |  | | Sat 21 Oct 2000 7:00pm PDT | | | | |
| Part One | | | | Sun 22 Oct 2000 12:30am PDT | | | | |
| Movie Version: Part One (of 2) | | | | Thu 26 Oct 2000 8:00am EDT | | | | |
| Movie Version: Part One (of 2) | | | | Fri 27 Oct 2000 5:00am EDT | | | | |
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