Footprints Under the Window / Hunting for Hidden Gold
Episode: 1x01 | Airdate: Sep 6, 1969
Season 1
Mystery of the Desert Giant / The Viking Symbol Mystery
Episode: 1x02 | Airdate: Sep 13, 1969
The Secret of the Old Mill / The Missing Chums
Episode: 1x03 | Airdate: Sep 20, 1969
The Secret Warning / The Mystery of the Aztec Warrior
Episode: 1x04 | Airdate: Sep 27, 1969
The Mystery of Cabin Island / The Hidden Harbor Mystery
Episode: 1x05 | Airdate: Oct 4, 1969
The Secret of the Caves / A Figure in Hiding
Episode: 1x06 | Airdate: Oct 11, 1969
The Ghost at Skeleton Rock / The Mystery of the Chinese Junk
Episode: 1x07 | Airdate: Oct 18, 1969
The Shore Road Mystery / The Sign of the Crooked Arrow
Episode: 1x08 | Airdate: Oct 25, 1969
What Happened at Midnight / The Clue in the Embers
Episode: 1x09 | Airdate: Nov 1, 1969
The Clue of the Screeching Owl / The Yellow Feather Mystery
Episode: 1x10 | Airdate: Nov 8, 1969
The House on the Cliff / Mystery of the Spiral Bridge
Episode: 1x11 | Airdate: Nov 15, 1969
The Mystery at Devil's Paw / The Haunted Fort
Episode: 1x12 | Airdate: Nov 22, 1969
The Sinister Signpost / The Melted Coins
Episode: 1x13 | Airdate: Nov 29, 1969
The Mark on the Door / The Flickering Torch Mystery
Episode: 1x14 | Airdate: Dec 6, 1969
The Secret of Wildcat Swamp / The Clue of the Broken Blade
Episode: 1x15 | Airdate: Dec 13, 1969
The Hooded Hawk Mystery / The Short Wave Mystery
Episode: 1x16 | Airdate: Dec 20, 1969
The Phantom Freighter / The Secret of Pirates Hill
Episode: 1x17 | Airdate: Dec 27, 1969