THE INCREDIBLE MELTING MAN 1977 & THE QUATERMASS EXPERIMENT 1955 Sci-Fi Shockers DOUBLE FEATURE

THE INCREDIBLE MELTING MAN 1977 - An astronaut is transformed into a murderous gelatinous mass after returning from an ill-fated space voyage.
THE QUATERMASS EXPERIMENT 1955 - A manned rocket ship returns to Earth, but two of the astronauts are missing and the survivor is slowly transforming into an unearthly creature.