### Clue: A nightmare location for Elstree, hosting movie opening before time (3,6)
### Answer: ELM STREET 
 ### Explanation: Definition: A nightmare location
 ELSTREE **containing**(hosting) **1st letter of**(… opening) "movie" **plus**(before) T(abbrev. for "time"). Reference is to this nightmare movie (not made at Elstree Studios):