Season
- Season 2 1957-09-13
- Season 1 1956-09-21
Episode
- Episode 1: The Mystery Of The Applegate Treasure : An Introduction
- Episode 2: The Stranger
- Episode 3: A Real Case
- Episode 4: The First Clue
- Episode 5: The Fugitive
- Episode 6: Applegate's Gold
- Episode 7: Dig For Treasure
- Episode 8: A Pirates Chest
- Episode 9: Boys In Trouble
- Episode 10: Female Detective
- Episode 11: Iola's Bravery
- Episode 12: Footsteps In the Tower
- Episode 13: The Prisoner Speaks
- Episode 14: Strange Confession
- Episode 15: A Golden Clue
- Episode 16: The Final Search
- Episode 17: The Tower Secret
- Episode 18: Never Say Die
- Episode 19: Boy's In Danger
- Episode 20: The Tower-Treasure
The Hardy Boys The Mystery Of The Applegate Treasure Boy's In Danger
The sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills.
