THE UNKNOWN TERROR 1957 & X THE UNKNOWN 1956 Scary Science Fiction DOUBLE FEATURE

THE UNKNOWN TERROR 1957 - An expedition travels to a remote jungle to find a long-lost explorer. Instead the group finds a mad scientist who has created a monster that feeds on the local inhabitants.
X THE UNKNOWN 1956 - British Army drilling at a remote Scottish base opens a deep crack that releases a subterranean, radioactive blob. The creature feeds on electrical energy sources and destroys anything or anyone in its path.