TV The Hardy Boys / Nancy Drew Mysteries - Season 3 Episode 3 : Assault on the Tower The Hardy Boys / Nancy Drew Mysteries - Season 3 Episode 3 : Assault on the Tower 7.107/10 by 28 users Joe and Frank Hardy go to London to find their missing father, but when Frank goes missing as well, Joe and an agent from the British Ministry must find a traitor together. Details Casts Posters Images Title The Hardy Boys / Nancy Drew Mysteries - Season 3 Episode 3 : Assault on the Tower 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 3 :Episode 1 The Last Kiss of Summer (1) The Last Kiss of Summer (1) 1978-10-02 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 3 :Episode 2 The Last Kiss of Summer (2) The Last Kiss of Summer (2) 1978-10-08 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 3 :Episode 3 Assault on the Tower Assault on the Tower 1978-10-15 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 3 :Episode 4 Search for Atlantis Search for Atlantis 1978-10-22 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun... The Hardy Boys / Nancy Drew Mysteries Season 3 :Episode 5 Dangerous Waters Dangerous Waters 1978-10-29 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 3 :Episode 6 Scorpion's Sting Scorpion's Sting 1978-11-05 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 3 :Episode 7 Defection to Paradise (1) Defection to Paradise (1) 1978-11-19 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 3 :Episode 8 Defection to Paradise (2) Defection to Paradise (2) 1978-11-26 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 3 :Episode 9 Game Plan Game Plan 1978-12-03 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 3 :Episode 10 Life on the Line Life on the Line 1979-01-14 The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun...