In Beyond the Door the children are on the other side of the doorway, in the Time Vault. They meet the school caretaker and discover that he is Mortlock, a Time Guardian. Mortlock explains their mission - to fight the Virans, whose aim is to destroy history as we know it.
In Beyond the Door the children are on the other side of the doorway, in the Time Vault. They meet the school caretaker and discover that he is Mortlock, a Time Guardian.
Mortlock explains their mission - to fight the Virans, whose aim is to destroy history as we know it.