A Nightmare on Elm Street is a film .
The TV episode A Nightmare on Elm Street is credited with carrying on many tropes found in low-budget horror episodes of the 1970s and 1980s , originating in John Carpenter 's 1978 horror film Halloween , including the morality play that revolves around sexual promiscuity in teenagers resulting in their eventual death , leading to the term `` slasher episode '' .
A Nightmare on Elm Street