Relic: Guardians of the Museum

Agatha carries a torch which enables her and the children to travel back in time, where the three challenges; which are either physical or mental take place. As well as the power of time-travel, Agatha's torch can also repel the Dark Forces if one of the children should be grabbed by them and freeze people into temporary immobility if they threaten to harm the contestants during a challenge.

If the children succeed in the challenge, then all three get to see the vision about a Relic that they will see. But if they fail, then only one of them gets to see the vision and the other two have to rely only on the memory of whoever that is.

The series was produced to tie in with the Radio 4 series A History of the World in 100 Objects. The thirteen 'relics" are a selection from the hundred featured in the radio series, which in turn were selected from an estimated seven million in the British Museum collection.

After the three challenges are over, Agatha takes the children to the museum's Great Court, where she summons the Dark Lord for the final battle. The contestants go face-to-face one at a time, where the team has to get three correct answers to questions set by the Dark Lord about the Relic they saw about the three visions. After the Dark Lord has asked his question and the contestant has given his/her answer, the appropriate part of the vision is then shown to see whether the contestant has answered correctly. A correct answer earns the team one of three 'passes', and the contestant is then told by the Dark Lord to go back to the others and wait to be called forward again. However, an incorrect answer or passing on a question results in the contestant being taken by the Dark Lord, disappearing and reappearing in a glass display case,. If all three children should end up being taken by the Dark Lord, then he has won and his darkness reigns, with the children remaining in the glass display case as part of the museum "Forever". But if the children succeed in the final battle by getting all three passes without the entire team being taken, the Dark Lord has lost; he is banished, resulting in the contestant(s) taken by him being free. Agatha then awards each of them with a golden scarab, and informs them that they are now "Guardians of the Museum", bidding them farewell as they leave the museum at dawn.