You could try downloading the programme via a third party.
UKNOVA (
Home - UKNova) does have The Children available for download.
The site is a bit hit and miss, it depends on people uploading the TV programme to make it available for download.
It's free to join, but requires a Torrent program to act as interface. uTorrent (
Torrent - The Lightweight and Efficient BitTorrent Client) is one of the better ones.