Seasons & Episodes
Season 1
14 episodes
E01
The Mystery of the Haunted House
The boys' father disappears, sparking a search that involves them with espionage, a graveyard and a haunted house.
E02
The Mystery of Pirate's Cove
E03
The Mystery of Witches' Hollow
E04
The Mystery of the Diamond Triangle
E05
The Disappearing Floor
Hunting for what may be a UFO, the boys stumble upon a mansion wherein rooms change scale and floors disappear.
E06
The Mystery of the Whispering Walls
E07
The Flickering Torch Mystery
E08
A Haunting We Will Go
E09
The Mystery of the Flying Courier
While Joe Hardy is making his singing debut at a disco, he and his brother, Frank, become involved in a record tape piracy case.
E10
The Mystery of the Fallen Angels
E11
Wipe Out
E12
The Mystery of the Ghostwriter's Cruise
E13
The Mystery of Jade Kwan Yin
E14
The Mystery of the Solid Gold Kicker