E1 - The Mystery Of The Applegate Treasure : An Introduction

Aired: September 21, 1956

Frank and Joe Hardy introduce their new mystery.

E2 - The Stranger

Aired: September 28, 1956

Iola's purse is stolen, and Frank and Joe track the suspected thief onto Silas Applegate's property. They spot Silas' plumber and hired hand before Silas comes out and orders them off the property.

E3 - A Real Case

Aired: October 05, 1956

Rumor of hidden treasure belonging to old Mr. Applegate spurs a summer-long investigation by the Hardy Boys

E4 - The First Clue

Aired: October 12, 1956

Joe finds Perry hiding in some bushes. Perry gives Joe a gold doubloon and asks him to hold it, then turns himself in.

E5 - The Fugitive

Aired: October 19, 1956

The boys find a stash of stolen items from the community in Perry's living quarters. Though he is innocent of the thefts, Perry runs away to avoid capture by the police, when Joe stumbles upon his hiding place and learns the truth.

E6 - Applegate's Gold

Aired: October 26, 1956

Rumor of hidden treasure belonging to Old man Applegate, spurs a summer long investigation by the Hardy Boys

E7 - Dig For Treasure

Aired: November 02, 1956

The Boys go looking for treasure, and end up inside Applegate's house.

E8 - A Pirates Chest

Aired: November 09, 1956

Applegate relates to Frank and Joe how he got the gold and how it was stolen.

E9 - Boys In Trouble

Aired: November 16, 1956

Someone digs up Applegate's garden to get Frank and Joe in trouble.

E10 - Female Detective

Aired: November 23, 1956

While Frank and Joe wait for their father to get home, Iola goes to the Applegate house to retrieve the pick and shovel.

E11 - Iola's Bravery

Aired: November 30, 1956

Hiding from Applegate in the tower, Iola finds Jackley unconscious and tied up. Her screams brings Frank, Joe, and Fenton running.

E12 - Footsteps In the Tower

Aired: December 07, 1956

Fenton discovers Boles, the former gardener, hiding in the tower. The Hardys capture him.

E13 - The Prisoner Speaks

Aired: December 14, 1956

Frank, Joe, and Fenton search Boles apartment while the prisoner taunts them.

E14 - Strange Confession

Aired: December 21, 1956

Joe traps Boles into a partial confession.

E15 - A Golden Clue

Aired: December 28, 1956

The Boys find a clue they think will solve the mystery of the Applegate treasure.

E16 - The Final Search

Aired: January 04, 1957

The authorities look for the treasure in the tower.

E17 - The Tower Secret

Aired: January 11, 1957

The Hardy bunch and police tear apart Applegate's tower structure looking for the stolen treasure.

E18 - Never Say Die

Aired: January 18, 1957

Frank and Joe spend a day following Boles after he is released from jail - and get another idea of where the treasure is hidden.

E19 - Boy's In Danger

Aired: January 25, 1957

Frank and Joe decide to follow Boles after he is released from jail.

E20 - The Tower-Treasure

Aired: February 01, 1957

The Boys follow Boles back to his apartment but what they see from there leads them to deduce the location of the hidden treasure and bring the case to a conclusion.