Series 1
Episodes
1 Episode 1 (Mon 16th Oct 1972) Oct 16, 1972 
2 Episode 2 (Tue 17th Oct 1972) Oct 17, 1972 
3 Episode 3 (Mon 23rd Oct 1972) Oct 23, 1972 
4 Episode 4 (Tue 24th Oct 1972) Oct 24, 1972 
5 Episode 5 (Mon 30th Oct 1972) Oct 30, 1972 
6 Episode 6 (Tue 31st Oct 1972) Oct 31, 1972 
7 Episode 7 (Mon 6th Nov 1972) Nov 6, 1972 
8 Episode 8 (Tue 7th Nov 1972) Nov 7, 1972 
9 Episode 9 (Mon 13th Nov 1972) Nov 13, 1972 10 Episode 10 (Tue 14th Nov 1972) Nov 14, 1972 11 Episode 11 (Mon 20th Nov 1972) Nov 20, 1972 12 Episode 12 (Tue 21st Nov 1972) Nov 21, 1972 13 Episode 13 (Mon 27th Nov 1972) Nov 27, 1972 14 Episode 14 (Tue 28th Nov 1972) Nov 28, 1972 15 Episode 15 (Mon 4th Dec 1972) Dec 4, 1972 16 Episode 16 (Tue 5th Dec 1972) Dec 5, 1972 17 Episode 17 (Mon 11th Dec 1972) Dec 11, 1972 18 Episode 18 (Tue 12th Dec 1972) Dec 12, 1972 19 Episode 19 (Mon 18th Dec 1972) Dec 18, 1972 20 Episode 20 (Tue 19th Dec 1972) Dec 19, 1972