try use latest version rtmpdump
Code:
http://ffmpeg.zeranoe.com/builds/source/external_libraries/rtmpdump-20121230-git-df6c518.tar.xz
try
episode-13-150
example
Code:
rtmpdump -r "rtmpe://bt.fcod.llnwd.net:1935/a800/o10" -a "a800/o10" -y "mp4:videos/19582164001/19582164001_919573411001_b17-C5153270013A4-H264-1500-16x9.mp4?e=1364721723&h=dd695d3f03f9de308c2e53ef7dbdb531&__nn__=659726446001" -o "4.flv"
ITV
need to change the link manually(new auth=bla,bla,bla)-otherwise download not work(Whatever you do not use)