Quatermass and the Pit: 1x2
The Ghosts
Uncovered, they discover that the interior of the object is empty, and a symbol consisting of five intersecting circles, which Roney identifies as the occult pentagram, is found etched on an interior wall which appears to hide an inner chamber.
1 - 1The Halfmen Dec. 22, 1958
1 - 2The Ghosts Dec. 29, 1958
1 - 3Imp & Demons Jan. 05, 1959
1 - 4The Enchanted Jan. 12, 1959
1 - 5The Wild Hunt Jan. 19, 1959
1 - 6Hob Jan. 26, 1959