The Hardy Boys / Nancy Drew Mysteries (1977) : 1x4
The Mystery of the Diamond Triangle
60 Min.
Overview
After Nancy and her girlfriend, George, see an automobile run off the road. Nancy tells her boyfriend, Ned Nickerson, to report it to the sheriff. Later the sheriff tells Nancy that his men could not find any signs of an accident, and that the road has been closed for a long time. Nancy attempts to unravel the bizarre occurrence on her own, and soon finds herself in the midst of danger.
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1 - 1The Mystery of the Haunted House January 30, 1977 -
1 - 2The Mystery of Pirate's Cove February 06, 1977
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1 - 3The Mystery of Witches' Hollow February 13, 1977 -
1 - 4The Mystery of the Diamond Triangle February 20, 1977 -
1 - 5The Disappearing Floor March 06, 1977 -
1 - 6The Secret of the Whispering Walls March 13, 1977 -
1 - 7The Flickering Torch Mystery March 27, 1977
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1 - 8A Haunting We Will Go April 03, 1977
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1 - 9The Mystery of the Flying Courier April 10, 1977
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1 - 10Mystery of the Fallen Angels April 17, 1977
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1 - 11Wipe Out April 24, 1977
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1 - 12The Mystery of Ghostwriters' Cruise May 01, 1977
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1 - 13The Secret of the Jade Kwan Yin May 15, 1977
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1 - 14Mystery of the Solid Gold Kicker May 22, 1977