The Mystery of the Diamond Triangle

6.7/10 · 117 votesFeb 20, 197748 min

Ranked #11 of 14 in Season 1•−0.3 vs season avg

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

Season 1 Episodes14

E1 7.0

The Mystery of the Haunted House

E2 7.2

The Mystery of Pirate's Cove

E3 6.7

The Mystery of Witches' Hollow

E4 6.7Now viewing

The Mystery of the Diamond Triangle

E5 6.6

The Disappearing Floor

E6 7.3

The Secret of the Whispering Walls

E7 7.1

The Flickering Torch Mystery

E8 7.5

A Haunting We Will Go

E9 7.0

The Mystery of the Flying Courier

E10 7.0

Mystery of the Fallen Angels

E11 6.7

Wipe Out

E12 7.3

The Mystery of Ghostwriters' Cruise

E13 6.7

The Secret of the Jade Kwan Yin

E14 7.2

Mystery of the Solid Gold Kicker

Cast3

Shaun Cassidy

Joe Hardy

Parker Stevenson

Frank Hardy

Pamela Sue Martin

Nancy Drew

Crew2

Robert Pirosh

Writer

Noel Black

Director

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Episode Summary

"The Mystery of the Diamond Triangle" is episode 4 of The Hardy Boys / Nancy Drew Mysteries season 1. It scored 6.7/10 from 117 votes, ranking #11 of 14 episodes this season (season average 7.0). Directed by Noel Black and written by Robert Pirosh, it aired on February 20, 1977.

The Mystery of the Diamond Triangle

Seasons3

Season 1 Episodes14

Cast3

Crew2

Discussion

Episode Summary