Season 1 (1974)
7.26 avg 26 episodes 7.7 → 8.3 50 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Part One | 7.7 | 27 |
| 2 | Part Two | 7.7 | 20 |
| 3 | Part Three | 7.6 | 20 |
| 4 | Part Four | 8.1 | 20 |
| 5 | Part Five | 8.3 | 18 |
| 6 | Part Six | 8.1 | 18 |
| 7 | Part Seven | 7.7 | 16 |
| 8 | Part Eight | 7.8 | 15 |
| 9 | Part Nine | 7.9 | 15 |
| 10 | Part Ten | 8.1 | 17 |
| 11 | Part Eleven | 8.0 | 16 |
| 12 | Part Twelve | 6.8 | 20 |
| 13 | Part Thirteen | 6.6 | 19 |
| 14 | Part Fourteen | 7.9 | 19 |
| 15 | Part Fifteen | 7.7 | 15 |
| 16 | Part Sixteen | 7.7 | 16 |
| 17 | Part Seventeen | 7.8 | 15 |
| 18 | Part Eighteen | 5.0 | 36 |
| 19 | Part Nineteen | 8.0 | 17 |
| 20 | Part Twenty | 6.5 | 19 |
| 21 | Part Twenty-one | 7.1 | 17 |
| 22 | Part Twenty-two | 4.9 | 33 |
| 23 | Part Twenty-three | 5.0 | 32 |
| 24 | Part Twenty-four | 4.8 | 31 |
| 25 | Part Twenty-five | 7.7 | 17 |
| 26 | Part Twenty-six | 8.3 | 17 |
