TV The Hardy Boys / Nancy Drew Mysteries - Season 1 Episode 5 : The Disappearing Floor The Hardy Boys / Nancy Drew Mysteries - Season 1 Episode 5 : The Disappearing Floor 7.107/10 by 28 users Frank and Joe search for answers when Fenton is taken off the Project K case. Details Casts Posters Images Title The Hardy Boys / Nancy Drew Mysteries - Season 1 Episode 5 : The Disappearing Floor Alternative Titles The Hardy Boys First Air Date 1977-01-30 Last Air Date 1979-01-14 Number of Episodes 46 Number of Seasons 3 Genres Mystery, Action & Adventure, Networks ABC, Casts Shaun Cassidy, Parker Stevenson Plot Keywords , Joe Hardy Shaun Cassidy Frank Hardy Parker Stevenson Episodes List The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 1 The Mystery of the Haunted House The Mystery of the Haunted House 1977-01-30 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 2 The Mystery of Pirate's Cove The Mystery of Pirate's Cove 1977-02-06 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 3 The Mystery of Witches' Hollow The Mystery of Witches' Hollow 1977-02-13 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 4 The Mystery of the Diamond Triangle The Mystery of the Diamond Triangle 1977-02-20 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 5 The Disappearing Floor The Disappearing Floor 1977-03-06 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 6 The Secret of the Whispering Walls The Secret of the Whispering Walls 1977-03-13 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 7 The Flickering Torch Mystery The Flickering Torch Mystery 1977-03-27 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 8 A Haunting We Will Go A Haunting We Will Go 1977-04-03 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 9 The Mystery of the Flying Courier The Mystery of the Flying Courier 1977-04-10 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 10 Mystery of the Fallen Angels Mystery of the Fallen Angels 1977-04-17 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 11 Wipe Out Wipe Out 1977-04-24 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 12 The Mystery of Ghostwriters' Cruise The Mystery of Ghostwriters' Cruise 1977-05-01 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 13 The Secret of the Jade Kwan Yin The Secret of the Jade Kwan Yin 1977-05-15 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 1 :Episode 14 Mystery of the Solid Gold Kicker Mystery of the Solid Gold Kicker 1977-05-22 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun...