S1 E1 • The Mystery of the Haunted House

The very first episode of the series as Joe and Frank Hardy (Shaun Cassidy and Parker Stevenson) find out that their father didn't go on a fishing trip as he had claimed, they follow him, and become embroiled in a mystery involving an amnesiac ex-soldier with secrets several parties are out to get. They go to this club called the haunted house that has mazes, trapdoors, secret passageways and other neat stuff and are trying to track down the ex-soldier that is on a chase from some killers. Taken from www.geocities.com/hardyboysnancydrew/program.html, got permission from Greg.

Première diffusion : 30 janvier 1977

S1 E2 • The Mystery of Pirate's Cove

Nancy and her friends see a beam of light coming from an abandoned lighthouse. When they call the local sheriff, he thinks they're imagining things because the light has disappeared. It's up to Nancy to Expose the strange mystery that surrounds the desolate structure. Soon, she finds herself in a deadly web of crime that could threaten her very life.

Première diffusion : 6 février 1977

S1 E3 • The Mystery of Witches' Hollow

When the pair pay a visit to Captain Maguire, the uncle of their female sidekick Calley (sic), they are greeted by a strange woman who claims that Maguire has become one of the victims of Witch's Hollow. Those who go to the mysterious wooded place never return. Undaunted, Frank and Joe begin their search for Maguire, little suspecting the terrors that lie in wait for them among the dark shadows of the eerie forest.

Première diffusion : 13 février 1977

S1 E4 • The Mystery of the Diamond Triangle

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. Late 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, ad soon finds herself in the midst of danger.

Première diffusion : 20 février 1977

S1 E5 • The Disappearing Floor

While the boys go on a research for their fathers case chasing after a couple of criminals they encounter a UFO which leads them into a mystery involving a missing Russian scientist, some Russian agents and a mysterious house. When they go in to discover the house they realise a bunch of doors has many mysterious rooms. One of them they go in the room starts to grow gigantic, another room has a floor they fall through and the third door leads to a jungle with vicious coyotes, while they bring their father to discover it they mansion is bare with no secrets. This story is very similar to the Hardy Boys novels. Taken from www.geocities.com/hardyboysnancydrew/program.html, got permission from Greg.

Première diffusion : 6 mars 1977

S1 E6 • The Secret of the Whispering Walls

An unseen intruder breaks into the Drew home, stealing documents that will allow Nancy's aunts, Ruby and Lela, to sell their farm. While Nancy's father lawyer Carson Drew, goes to the State Capitol to replace the papers, Nancy heads to the Farmhouse where she is plunged into a series of strange events that lead her deeper and deeper into danger. Clanging chains, secret panels and suspiciously hostile neighbors are only part of this seemingly unsolvable crime against the Drew household.

Première diffusion : 13 mars 1977

S1 E7 • The Flickering Torch Mystery

While on a missing person investigation for their famous detective father, Fenton Hardy, the boys uncover a plot against the life of the nation's top rock performer, Tony Bird. Joe and Frank find a sinister tie-in woth the sudden disappearance of the sound engineer Richard Johnson. Now they must race against time to prevent Tony from being killed.

Première diffusion : 27 mars 1977

S1 E8 • A Haunting We Will Go

The stage is set for mystery when Nancy and her friends decide to produce a 20 year old play in order to raise money for a youth center. The play is to be presented at the allegedly haunted Palace Theatre. When members of the original cast arrive in town, strange events begin to occur both onstage and off. Nancy must figure out why the actors have come together to appear in her modest production, or the drama might just end in real life tragedy.

Première diffusion : 3 avril 1977

S1 E9 • The Mystery of the Flying Courier

Joe Hardy makes his singing debut at a disco where he and Frank become involved in a record piracy case. At the club, Frank recognizes a girl who supposedly has been missing for years. When she is arrested, the brothers embark on an investigation of a crooked disc jockey and other unscrupulous musical characters.

Première diffusion : 10 avril 1977

S1 E10 • Mystery of the Fallen Angels

Nancy, George, Carson, and Ned are a benifit in the form of a carnival when the hosts are robbed of their expensive jewels! It's up to Nancy and her friends to find the robbers and return the jewels. But it's not that easy as she runs into a biker gang as they suspect that they're the ones and Nancy has to go undercover. Info from www.geocities.com/hardyboysnancydrew/program.html, got permission from Greg.

Première diffusion : 17 avril 1977

S1 E11 • Wipe-Out

While in Hawaii for a surfing contest, the boys' hotel room is robbed and the two detectives discover that they're not the only victims who've been hit. The Hawaiian police enlist their aid in tracking down the burglars. Everyone's in for the surprise of their lives when the determined duo finally crack the criminal ring.

Première diffusion : 24 avril 1977

S1 E12 • The Mystery of Ghostwriters' Cruise

A relaxing cruise on a luxury liner turns into a perilous nightmare for Nancy and her gang after one of the men on board, a world-famous mystery writer, receives death threats. When author, John Addmas, and his niece, Cathy, become the victims of several bizarre attempts on their lives, Nancy finds the one vital clue that can save him and races against time to thwart any possible murders from taking place. But solving this mystery means adding her own name to the killer's list of wold-be victims.

Première diffusion : 1 mai 1977

S1 E13 • The Secret of the Jade Kwan Yin

The Brothers become involved ia an unusual case of smuggling with an oriental flavor when they try to unravel the mysetery that surrounds an ancient Chinese treasure. While snorkeling at the beach, Frank and Joe find an large unopened wooden box and take it home. When they discover that it contains a priceless, stolen Chinese statue, the two take off on a wild adventure that puts their lives in peril.

Première diffusion : 15 mars 1977

S1 E14 • Mystery of the Solid Gold Kicker

Nancy faces one of her toughest investigations when evidence suggests that football star (Mark Harmon) is guilty of homicide. Nancy and her girlfriend, George, attend a victory party where they find Mark standing over a prostate girl with a broken crystal vase in his hand. Only the ever persistent Nancy can unravel who's out to frame Mark and why, but not without putting herself at enormous risk.

Première diffusion : 22 mai 1977