September 6, 1969

Season 1

01. Footprints Under The Window / Hunting for Hidden Gold

No details

30min

September 6, 1969

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

No details

30min

September 13, 1969

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

No details

30min

September 20, 1969

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

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.

30min

September 27, 1969

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

No details

30min

October 4, 1969

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

No details

30min

October 11, 1969

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

No details

30min

October 18, 1969

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

No details

30min

October 25, 1969

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

No details

30min

November 1, 1969

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

No details

30min

November 8, 1969

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

No details

30min

November 15, 1969

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

No details

30min

November 22, 1969

13. The Sinister Signpost / The Melted Coins

No details

30min

November 29, 1969

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

No details

30min

December 6, 1969

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

No details

30min

December 13, 1969

16. The Hooded Hawk Mystery / The Short Wave Mystery

No details

30min

December 20, 1969

17. The Phantom Freighter / The Secret of Pirates Hill

No details

30min

December 27, 1969