List of episodes of the series «The Legend of the Lost Keys»
- Seasons count: 1
- Episodes count: 10
- Total viewing time: 3 h. 20 m.
Release date: 1/12/1998
The Box
- Episode number: 1
- Episode duration: 20 min.
- Episode description: Mark and Lisa need to help their Uncle George (the current guardian) stop an ancient box from being opened. The box is a doorway to a slave world.
Release date: 1/19/1998
The First Key
- Episode number: 2
- Episode duration: 20 min.
- Episode description: George, Mark and Lisa begin the search for the three keys to the box. Lisa is awakened during the night by people who think her uncle has the first key.
Release date: 1/26/1998
The Watchers
- Episode number: 3
- Episode duration: 20 min.
- Episode description: Lisa and Mark are searching for the second key; when they find it, the Watchers try to kidnap them.
Release date: 2/2/1998
Kidnap
- Episode number: 4
- Episode duration: 20 min.
- Episode description: Having escaped from the attempted kidnap by the Watchers, the twins join up their Uncle George to locate the third and final key at the Roman baths.
Release date: 2/9/1998
The Crystal Connection
- Episode number: 5
- Episode duration: 20 min.
- Episode description: Now having all three keys, George and the twins persuade Professor Waters let them in to see the box.
Release date: 2/23/1998
The Trap
- Episode number: 6
- Episode duration: 20 min.
- Episode description: George breaks into the Janus Foundation to try to steal the box back, but then Mark and Lisa realise it is, in fact, a trap.
Release date: 3/2/1998
The Box is Opened
- Episode number: 7
- Episode duration: 20 min.
- Episode description: The gateway to the world of Heritron is now opened. George and the twins escape from the Janus Foundation, but are then betrayed.
Release date: 3/9/1998
Into the Box
- Episode number: 8
- Episode duration: 20 min.
- Episode description: Professor Waters retrieves the Box back from the Watchers' Headquarters, and George goes through the portal to lock the doorway into Heritron forever. The Catchers are waiting for him on the other side.
Release date: 3/16/1998
Betrayed
- Episode number: 9
- Episode duration: 20 min.
- Episode description: George is held against his will on Heritron. Anna tells Mark and Lisa that they must rescue him.
Release date: 3/23/1998
The Final Hour
- Episode number: 10
- Episode duration: 20 min.
- Episode description: The twins find George imprisoned in a crystal cell. They manage to break him free, but can they escape from Heritron and get back home?