The Enid Blyton Secret Series 1997 S01E03

Episode: The Secret of Killimooin. Charlotte accompanies Thaddeus on a lecture tour - where Thaddeus is revealing exciting details of a recent natural world discovery which has been made into a rare species - the Malucu Devil Spider. The entire event is suddenly disrupted by the unexpected intrusion of sinister men - eventually revealed to be led by the enigmatic Block, who for some unknown reason has stolen the spider and transported it to a mysterious destination. Meanwhile, staying in the Killimoon mountains on holiday - in the heart of Baronia - is a wonderful experience for the children. However, unknown to them, deep in the magical forest lives Clovis Monk, a deranged recluse and genius scientist who has aspirations to dominate the world. Charlotte is kidnapped by Block and taken to Baronia.