Season 1

1. Footprints Under The Window / Hunting for Hidden Gold

1969-09-06 · 30m

2. Mystery of the Desert Giant / The Viking Symbol Mystery

1969-09-13 · 30m

3. The Secret of the Old Mill / The Missing Chums

1969-09-20 · 30m

4. The Secret Warning / The Mystery of the Aztec Warrior

1969-09-27 · 30m

When their nocturnal search of the Applegate property is suddenly interrupted, the Hardys learn more about the mysterious treasure---and discover that they're not the only ones looking for it. Applegate: Florenz Ames. Iola: Carole Ann Campbell.

5. The Mystery of Cabin Island / The Hidden Harbor Mystery

1969-10-04 · 30m

6. The Secret of the Caves / A Figure In Hiding

1969-10-11 · 30m

7. The Ghost at Skeleton Rock / The Mystery of the Chinese Junk

1969-10-18 · 30m

8. The Shore Road Mystery / The Sign of the Crooked Arrow

1969-10-25 · 30m

9. What Happened at Midnight / The Clue in the Embers

1969-11-01 · 30m

10. The Clue of the Screeching Owl / The Yellow Feather Mystery

1969-11-08 · 30m

11. The House on the Cliff / Mystery of the Spiral Bridge

1969-11-15 · 30m

12. The Mystery at Devil's Paw / The Haunted Fort

1969-11-22 · 30m

13. The Sinister Signpost / The Melted Coins

1969-11-29 · 30m

14. The Mark on the Door / The Flickering Torch Mystery

1969-12-06 · 30m

15. The Secret of Wildcat Swamp / The Clue of the Broken Blade

1969-12-13 · 30m

16. The Hooded Hawk Mystery / The Short Wave Mystery

1969-12-20 · 30m

17. The Phantom Freighter / The Secret of Pirates Hill

1969-12-27 · 30m