| No. | Episode Title | Air Date | Prod # | Comments | Rating |
| 1 | The Hardy Boys Part 1 | 101 | 0.00 |
| 2 | The Hardy Boys Part 2 | 102 | 0.00 |
| 3 | The Secret Warning | 103 | 0.00 |
| 7 | The Missing Chums | 107 | 0.00 |
| 10 | Hunting For Hidden Gold | 110 | 0.00 |
| 12 | The Hidden Harbor Mystery | 112 | 0.00 |
| 14 | Mystery of Chinese Junk | 114 | 0.00 |
| 15 | The Shore Road Mystery | 115 | 0.00 |
| 16 | What Happened At Midnight | 116 | 0.00 |
| 18 | The Clue In the Embers | 09/7/1970 | 201 | 0.00 |
| 19 | The Clue of the Screeching Owl | 09/14/1970 | 202 | 0.00 |
| 20 | The House On the Cliff | 09/21/1970 | 203 | 0.00 |
| 21 | Mystery Of the Spiral Bridge | 10/3/1970 | 0.00 |
| 22 | The Yellow Feather Mystery | 10/10/1970 | 0.00 |
| 23 | The Mystery Of Devils Paw | 10/17/1970 | 0.00 |
| 24 | The Sinister Sign Post | 10/24/1970 | 0.00 |
| 25 | The Melted Coins | 10/31/1970 | 0.00 |
| 26 | The Mark On The Door | 11/7/1970 | 0.00 |
| 27 | The Flickering Torch Mystery | 11/14/1970 | 0.00 |
| 28 | The Haunted Fort | 11/21/1970 | 0.00 |
| 29 | The Mystery of Wildcat Swamp | 11/28/1970 | 0.00 |
| 30 | The Clue of the Broken Blade | 12/5/1970 | 0.00 |
| 31 | Hardy Boys Episode Thirty-One | 12/12/1970 | 0.00 |
| 32 | The Short Wave Mystery | 12/19/1970 | 0.00 |
| 33 | The Hooded Hawk Mystery | 12/26/1970 | 0.00 |
| 34 | Pirate's Hill | 01/2/1971 | 0.00 |