Well how about posting a request to the BBC here to reschedule it where we can see
it!

http://www.bbc.co.uk/info/contact/com_email.shtml

Silbury Hill
BBC2 West of England
12/14th March 2002

Dear BBC schedulers,
Silbury Hill is a site of national, if not international importance and
interest. Please can you show the recent Silbury Hill documentary shown this
week in the South and West of England to the rest of us. I'm sure it will prove popular.
Regards,