Quatermass and the Pit - Season 1 - Eps 2: 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.
About Quatermass and the Pit

Title: Quatermass and the Pit
First Air Date: 1958-12-22
Last Air Date: 1959-01-26
Status: Ended
Rating: 6.9/10 (from 19 votes)
Language: EN
Seasons: 1
Total Episodes: 6
Network: BBC One
Genres: Drama, Sci-Fi & Fantasy, Mystery
Production Companies: BBC
Synopsis
A team of scientists search for the origin and purpose of a mysterious capsule found on a building site.
Cast

André Morell
Professor Bernard Quatermass

Cec Linder
Dr. Matthew Roney

John Stratton
Captain Potter

Christine Finn
Barbara Judd

Anthony Bushell
Colonel James Breen