The Deadly Spawn

The Deadly Spawn is a 1983 science fiction horror film directed by Douglas McKeown and starring Charles George Hildebrandt. In some territories, the films title was changed to Return of the Aliens The Deadly Spawn or The Return of the Aliens Deadly Spawn in an attempt to cash in on the worldwide success of Ridley Scotts 1979 film Alien.

Two campers are nearby when a meteor falls to Earth. When they go to investigate, they are attacked and eaten by a bizarre life form that emerges from the crashed rock.Near the crash site is a large house. The house is the home of Sam James Brewster and Barb Elissa Neil, and their two children, high schooler Pete Tom DeFranco and his younger brother Charles Charles George Hildebrandt. Visiting are Aunt Millie Ethel Michelson and Uncle Herb John Schmerling. Sam and Barb rise early to go on their vacation, which Barb hopes can be put off because of the incessant rainstorm. Sam insists, and he goes downstairs to check the basement for flooding. Down there, he is eaten by the bizarre monstrosity. Barb suffers the same fate when she goes looking for him. ........

Source: Wikipedia