Season 1
Episodes
1 Footprints Under The Window / Hunting for Hidden Gold Sep 6, 1969 2 Mystery of the Desert Giant / The Viking Symbol Mystery Sep 13, 1969 3 The Secret of the Old Mill / The Missing Chums Sep 20, 1969 4 The Secret Warning / The Mystery of the Aztec Warrior Sep 27, 1969 5 The Mystery of Cabin Island / The Hidden Harbor Mystery Oct 4, 1969 6 The Secret of the Caves / A Figure In Hiding Oct 11, 1969 7 The Ghost at Skeleton Rock / The Mystery of the Chinese Junk Oct 18, 1969 8 The Shore Road Mystery / The Sign of the Crooked Arrow Oct 25, 1969 9 What Happened at Midnight / The Clue in the Embers Nov 1, 1969 10 The Clue of the Screeching Owl / The Yellow Feather Mystery Nov 8, 1969 11 The House on the Cliff / Mystery of the Spiral Bridge Nov 15, 1969 12 The Mystery at Devil's Paw / The Haunted Fort Nov 22, 1969 13 The Sinister Signpost / The Melted Coins Nov 29, 1969 14 The Mark on the Door / The Flickering Torch Mystery Dec 6, 1969 15 The Secret of Wildcat Swamp / The Clue of the Broken Blade Dec 13, 1969 16 The Hooded Hawk Mystery / The Short Wave Mystery Dec 20, 1969 17 The Phantom Freighter / The Secret of Pirates Hill Dec 27, 1969