The most common and most likely answer to this crossword clue is the 11 letter word NICKELODEON
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More clues leading to the result NICKELODEON
Buddy explains!

The straight part
We know that "old-fashioned cinema" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case old-fashioned cinema = nickelodeon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NICKELODEON mean?
NICKELODEON noun- A small, rudimentary movie theater that charged five cents for admission, popular in North America from about 1905 to 1915.
- A coin-operated player piano, often elaborated with percussion, banjos, bells, whistles, and other musical instruments and noise-makers.
- An American jukebox operated by nickels.