Looking on the internet deeply has found these results:

watched at the cinema is the most popular phrase on the web.

watched at the theatre 122,300 results on the web	watched at the cinema 124,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Supposedly I'm being watched at every moment. But now they're also little sticks that need to be watched at every turn. I watched at lot of TV at the looney bin. The samples should be watched at all times. Sweep the theatre for any sign of incursion. This woman is to be watched at all times. He must be watched at all times. Everyone is watched at sometime or other in their career.	This woman is to be watched at all times. Everyone is watched at sometime or other in their career. Now, have you ever been to the cinema and watched a film set in the future? The samples should be watched at all times. We also watched a lot of cinema films together. About one in three of the films made in the EU is never shown in a cinema, and a large percentage of those that do make it into the cinema are watched by a total audience of fewer than 130000. I even enjoy the cinema alone. We haven't watched the DVD you bought last week We haven't been to the cinema for a long time, come on

watched at the theatre

122,300 results on the web

watched at the cinema

124,000 results on the web

More popular!

This woman is to be watched at all times.
Everyone is watched at sometime or other in their career.
Now, have you ever been to the cinema and watched a film set in the future?
The samples should be watched at all times.
We also watched a lot of cinema films together.
About one in three of the films made in the EU is never shown in a cinema, and a large percentage of those that do make it into the cinema are watched by a total audience of fewer than 130000.
I even enjoy the cinema alone.
We haven't watched the DVD you bought last week We haven't been to the cinema for a long time, come on