By all means! By ANY means!
Ask them to work to get some free publicity to attract visitors. (They will like that!) A major project restoring a historic cannon at the site has been completed. They were fortunately enough to track down one of a handful of people in the country qualified to do this project, and the results are outstanding.
Demand that the TV folks to arrive NO EARLIER THAN 0900, so they won't be getting in the way while you are setting up.
Great job, which few people could pull off. WELL DONE!