Episodes List
Ep.1 Footprints Under The Window / Hunting for Hidden Gold
Air Date: 1969-09-06
Ep.2 Mystery of the Desert Giant / The Viking Symbol Mystery
Air Date: 1969-09-13
Ep.3 The Secret of the Old Mill / The Missing Chums
Air Date: 1969-09-20
Ep.4 The Secret Warning / The Mystery of the Aztec Warrior
Air Date: 1969-09-27
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.
Ep.5 The Mystery of Cabin Island / The Hidden Harbor Mystery
Air Date: 1969-10-04
Ep.6 The Secret of the Caves / A Figure In Hiding
Air Date: 1969-10-11
Ep.7 The Ghost at Skeleton Rock / The Mystery of the Chinese Junk
Air Date: 1969-10-18
Ep.8 The Shore Road Mystery / The Sign of the Crooked Arrow
Air Date: 1969-10-25
Ep.9 What Happened at Midnight / The Clue in the Embers
Air Date: 1969-11-01
Ep.10 The Clue of the Screeching Owl / The Yellow Feather Mystery
Air Date: 1969-11-08
Ep.11 The House on the Cliff / Mystery of the Spiral Bridge
Air Date: 1969-11-15
Ep.12 The Mystery at Devil's Paw / The Haunted Fort
Air Date: 1969-11-22
Ep.13 The Sinister Signpost / The Melted Coins
Air Date: 1969-11-29
Ep.14 The Mark on the Door / The Flickering Torch Mystery
Air Date: 1969-12-06
Ep.15 The Secret of Wildcat Swamp / The Clue of the Broken Blade
Air Date: 1969-12-13
Ep.16 The Hooded Hawk Mystery / The Short Wave Mystery
Air Date: 1969-12-20