The Hardy Boys The Mystery of the Applegate Treasure - 1956 A Real Case 1-2 was released on:
USA: 3 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 Dig for Treasure 1-6 was released on: USA: 9 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 The Stranger 1-1 was released on: USA: 2 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 The Tower's Secret 1-16 was released on: USA: 23 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 The First Clue 1-3 was released on: USA: 4 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 Boys in Trouble 1-8 was released on: USA: 11 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 A Strange Confession 1-13 was released on: USA: 18 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 A Golden Clue 1-14 was released on: USA: 19 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 Iola's Bravery 1-10 was released on: USA: 15 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 The Female Detective 1-9 was released on: USA: 12 October 1956
The Hardy Boys The Mystery of the Applegate Treasure - 1956 Never Say Die 1-17 was released on: USA: 24 October 1956
#1 The Tower Treasure was adapted for the Applegate TV season, and he is mentioned in While the Clock Ticked
In "The Tower Treasure" by the Hardy Boys, the missing car is found abandoned in the tower's secret passageway. The discovery of the car plays a crucial role in solving the mystery surrounding the stolen treasure.