Betjeman - Won't download, can anyone explain?

[C E Macfarlane]

~ # gip --type tv --pid b03495yn -g
get_iplayer v2.91, Copyright (C) 2008-2010 Phil Lewis
  This program comes with ABSOLUTELY NO WARRANTY; for details
use --warranty.
  This is free software, and you are welcome to redistribute it under
certain
  conditions; use --conditions for details.

INFO Trying to stream pid using type tv
INFO: pid found in cache
Matches:
648:    Let's Imagine - A Branch Line Railway with John Betjeman, BBC,
Factual,Lifestyle & Leisure,Travel, default

INFO: 1 Matching Programmes
WARNING: No programme versions found

www.macfh.co.uk/CEMH.html