How to download subtitles when episode is not in cache

[dinkypumpkin]

On 20/06/2014 00:14, dinkypumpkin wrote:
> But I have to ask: Can you show any real-life example of this, i.e., one
> not contrived my editing your cache?  Is there a programme that: a) can
> be downloaded with --pid; 2) has subtitles available; 3) is not in the
> listing feeds used to populate the get_iplayer cache?

Never mind.  It looks like some of the BBC Four Collections programmes 
qualify.