The Eye of Ra: Part 1 Ace of Wands : Season 2 Episode 10

The Eye of Ra, a diamond reputed to have the power to turn people into chalk, is high on eccentric chess master Ceribraun's shopping list. Believing that the diamond has turned Mr Sweet into a chalk statuette, Tarot decides to act. He soon finds himself a prisoner of Ceribraun's talking computer, and in danger of being crushed of being crushed to death between giant robotic chess pieces.