| Episode | Channel | Broadcast | Viewers | Share | Pos | |
| Part One | |  |  | Sat 30 Aug 1975 5:46pm BST | 8.40m | | 29 |  |
| Part Two | | | | Sat 6 Sep 1975 5:45pm BST | 6.10m | | 61 | |
| Part Three | | | | Sat 13 Sep 1975 5:46pm BST | 8.20m | | 32 | |
| Part Four | | | | Sat 20 Sep 1975 5:22pm BST | 7.20m | | 45 | |
| In de greep van de Zygonen | |  |  | Mon 1 Dec 1975 7:30pm CET | | | | |
| In de greep van de Zygonen | | | | Mon 15 Dec 1975 7:30pm CET | | | | |
| In de greep van de Zygonen | | | | Mon 29 Dec 1975 7:30pm CET | | | | |
| In de greep van de Zygonen | | | | Mon 12 Jan 1976 7:30pm CET | | | | |
| Part One | Sydney, Melb, Canberra, Hobart |  |  | Tue 7 Feb 1978 6:30pm AEDT | | | | |
| Part One | Adelaide | | | Tue 7 Feb 1978 6:30pm ACDT | | | | |
| Part One | Brisbane | | | Tue 7 Feb 1978 6:30pm AEST | | | | |
| Part One | Perth | | | Tue 7 Feb 1978 ~6:30pm AWST | | | | |
| Part Two | Sydney, Melb, Canberra, Hobart | | | Wed 8 Feb 1978 6:30pm AEDT | | | | |
| Part Two | Adelaide | | | Wed 8 Feb 1978 6:30pm ACDT | | | | |
| Part Two | Brisbane | | | Wed 8 Feb 1978 6:30pm AEST | | | | |
| Part Two | Perth | | | Wed 8 Feb 1978 ~6:30pm AWST | | | | |
| Part Three | Sydney, Melb, Canberra, Hobart | | | Thu 9 Feb 1978 6:30pm AEDT | | | | |
| Part Three | Adelaide | | | Thu 9 Feb 1978 6:30pm ACDT | | | | |
| Part Three | Brisbane | | | Thu 9 Feb 1978 6:30pm AEST | | | | |
| Part Three | Perth | | | Thu 9 Feb 1978 ~6:30pm AWST | | | | |
| Part Four | Sydney, Melb, Canberra, Hobart | | | Fri 10 Feb 1978 6:30pm AEDT | | | | |
| Part Four | Adelaide | | | Fri 10 Feb 1978 6:30pm ACDT | | | | |
| Part Four | Perth | | | Fri 10 Feb 1978 ~6:30pm AWST | | | | |
| Part Four | Brisbane | | | Tue 14 Feb 1978 6:30pm AEST | | | | |
| Part One | Sydney, Canberra | | | Fri 11 Aug 1978 ~6:30pm AEST | | | | |
| Part Two | Sydney, Canberra | | | Mon 14 Aug 1978 ~6:30pm AEST | | | | |
| Part One | Melbourne, Hobart | | | Mon 14 Aug 1978 ~6:30pm AEST | | | | |
| Part Three | Sydney, Canberra | | | Tue 15 Aug 1978 ~6:30pm AEST | | | | |
| Part Two | Melbourne, Hobart | | | Tue 15 Aug 1978 ~6:30pm AEST | | | | |
| Part Four | Sydney, Canberra | | | Wed 16 Aug 1978 ~6:30pm AEST | | | | |
| Part Three | Melbourne, Hobart | | | Wed 16 Aug 1978 ~6:30pm AEST | | | | |
| Part Four | Melbourne, Hobart | | | Thu 17 Aug 1978 ~6:30pm AEST | | | | |
| Part One | Adelaide | | | Mon 4 Sep 1978 6:30pm ACST | | | | |
| Part Two | Adelaide | | | Tue 5 Sep 1978 6:30pm ACST | | | | |
| Part Three | Adelaide | | | Wed 6 Sep 1978 6:30pm ACST | | | | |
| Part Four | Adelaide | | | Thu 7 Sep 1978 6:30pm ACST | | | | |
| Part One | |  |  | Sat 9 Sep 1978 4:30pm NZST | | | | |
| Part Two | | | | Sat 16 Sep 1978 4:30pm NZST | | | | |
| Part One | Brisbane | | | Thu 21 Sep 1978 6:30pm AEST | | | | |
| Part Three | | | | Sat 23 Sep 1978 4:30pm NZST | | | | |
| Part Two | Brisbane | | | Mon 25 Sep 1978 6:20pm AEST | | | | |
| Part Three | Brisbane | | | Tue 26 Sep 1978 6:30pm AEST | | | | |
| Part Four | Brisbane | | | Wed 27 Sep 1978 6:30pm AEST | | | | |
| Part Four | | | | Sat 30 Sep 1978 4:30pm NZST | | | | |
| Part One | Sydney, Brisbane, Canberra, Ho | | | Tue 11 Sep 1979 6:30pm AEST | | | | |
| Part Two | Sydney, Brisbane, Canberra, Ho | | | Wed 12 Sep 1979 6:30pm AEST | | | | |
| Part Three | Sydney, Brisbane, Canberra, Ho | | | Thu 13 Sep 1979 6:30pm AEST | | | | |
| Part One | Melbourne, Adelaide | | | Mon 17 Sep 1979 ~6:30pm AEST | | | | |
| Part Four | Sydney, Brisbane, Canberra, Ho | | | Mon 17 Sep 1979 6:30pm AEST | | | | |
| Part Two | Melbourne, Adelaide | | | Tue 18 Sep 1979 ~6:30pm AEST | | | | |
| Part Three | Melbourne, Adelaide | | | Wed 19 Sep 1979 ~6:30pm AEST | | | | |
| Part Four | Melbourne, Adelaide | | | Thu 20 Sep 1979 ~6:30pm AEST | | | | |
| Part One | |  |  | Tue 25 Mar 1980 5:30pm CST | | | | |
| Part Two | | | | Wed 26 Mar 1980 5:30pm CST | | | | |
| Part Three | | | | Thu 27 Mar 1980 5:30pm CST | | | | |
| Part Four | | | | Fri 28 Mar 1980 5:30pm CST | | | | |
| Part One | Sydney, Brisbane, Canberra | | | Mon 28 Apr 1980 6:30pm AEST | | | | |
| Part Two | Sydney, Brisbane, Canberra | | | Tue 29 Apr 1980 6:30pm AEST | | | | |
| Part One | Melbourne, Adelaide, Hobart | | | Tue 29 Apr 1980 ~6:30pm AEST | | | | |
| Part Three | Sydney, Brisbane, Canberra | | | Wed 30 Apr 1980 6:30pm AEST | | | | |
| Part Two | Melbourne, Adelaide, Hobart | | | Wed 30 Apr 1980 ~6:30pm AEST | | | | |
| Part Four | Sydney, Brisbane, Canberra | | | Thu 1 May 1980 6:30pm AEST | | | | |
| Part Three | Melbourne, Adelaide, Hobart | | | Thu 1 May 1980 ~6:30pm AEST | | | | |
| Part Four | Melbourne, Adelaide, Hobart | | | Mon 5 May 1980 ~6:30pm AEST | | | | |
| Part One | | | | Wed 30 Jul 1980 10:00pm CDT | | | | |
| Part Two | | | | Thu 31 Jul 1980 10:00pm CDT | | | | |
| Part Three | | | | Fri 1 Aug 1980 10:00pm CDT | | | | |
| Part Four | | | | Mon 4 Aug 1980 10:00pm CDT | | | | |
| Movie Format | | | | Sun 22 Mar 1981 11:00pm CST | | | | |
| Part One | |  | | Mon 11 May 1981 6:00pm PDT | | | | |
| Part Two | | | | Tue 12 May 1981 6:00pm PDT | | | | |
| Part Three | | | | Wed 13 May 1981 6:00pm PDT | | | | |
| Part Four | | | | Thu 14 May 1981 6:00pm PDT | | | | |
| Part One | | | | Wed 30 Dec 1981 6:00pm PST | | | | |
| Part Two | | | | Thu 31 Dec 1981 6:00pm PST | | | | |
| Part Three | | | | Fri 1 Jan 1982 6:00pm PST | | | | |
| Part Four | | | | Mon 4 Jan 1982 6:00pm PST | | | | |
| Movie Format | | | | Sat 22 May 1982 11:15pm PDT | | | | |
| Movie Format | | | | Sun 11 Jul 1982 11:00pm CDT | | | | |
| Part One | National except Hobart | | | Wed 4 Aug 1982 6:30pm AEST | | | | |
| Part Two | National except Hobart | | | Thu 5 Aug 1982 6:30pm AEST | | | | |
| Part Two | Hobart | | | Mon 9 Aug 1982 ~6:30pm AEST | | | | |
| Part Three | National except Hobart | | | Mon 9 Aug 1982 6:30pm AEST | | | | |
| Part Four | National except Hobart | | | Tue 10 Aug 1982 6:30pm AEST | | | | |
| Part Three | Hobart | | | Tue 10 Aug 1982 ~6:30pm AEST | | | | |
| Part Four | Hobart | | | Wed 11 Aug 1982 ~6:30pm AEST | | | | |
| Part One | | | | Fri 27 Aug 1982 6:00pm PDT | | | | |
| Part Two | | | | Mon 30 Aug 1982 6:00pm PDT | | | | |
| Part Three | | | | Tue 31 Aug 1982 6:00pm PDT | | | | |
| Part Four | | | | Wed 1 Sep 1982 6:00pm PDT | | | | |
| Movie Format | | | | Sat 13 Nov 1982 9:00am CST | | | | |
| Part One | | | | Thu 12 May 1983 6:00pm PDT | | | | |
| Part Two | | | | Fri 13 May 1983 6:00pm PDT | | | | |
| Part Three | | | | Mon 16 May 1983 6:00pm PDT | | | | |
| Part Four | | | | Tue 17 May 1983 6:00pm PDT | | | | |
| Part One | |  | | Tue 14 Jun 1983 5:00pm PDT | | | | |
| Part One | | | | Tue 14 Jun 1983 10:00pm PDT | | | | |
| Part Two | | | | Wed 15 Jun 1983 5:00pm PDT | | | | |
| Part Two | | | | Wed 15 Jun 1983 10:00pm PDT | | | | |
| Part Three | | | | Thu 16 Jun 1983 5:00pm PDT | | | | |
Broadcast Region Displayed:
