Raven (1977)

Episode Three (1x3)

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With the help of local reporter Naomi Grant, Raven makes an astonishing discovery; the Arthurian caves each have a symbol, and together the symbols form the zodiac. One sign is missing - that of the dragon, once the sign of Sagittarius. Racen spontaneously provides the missing symbol, but an ominous rumbling can be heard...