Thorium was an element that was one of three elements needed for proper functioning of the Doctor's TARDIS. The planet Fragrance was rich in this element. (AUDIO: The Fragile Yellow Arc of Fragrance)
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Thorium was an element that was one of three elements needed for proper functioning of the Doctor's TARDIS. The planet Fragrance was rich in this element. (AUDIO: The Fragile Yellow Arc of Fragrance)