Here are the BBC iPlayer links to the South Wales episode of Escape to the Country and the fascinating BBC2 Harvest programme, which both feature the Garden:
http://www.bbc.co.uk/iplayer/episode/b03b4zb7/Escape_to_the_Country_Series_14_South_Wales/
http://www.bbc.co.uk/iplayer/episode/p01f146g/Harvest_Vegetables_The_Goodness_of_the_Earth/
The ‘meaty’ bit about us on ETTC is 36 minutes in. Further episodes of Harvest, featuring the Garden, will be broadcast on BBC2 at 8pm on Thursday 12th and Friday 13th, at 8pm.