Code:
rtmpdump -r "rtmpe://viacomnickstrmfs.fplive.net:1935/viacomnickstrm" -a "viacomnickstrm" -f "WIN 11,5,502,146" -W "http://media.mtvnservices.com/player/prime/mediaplayerprime.2.3.6.swf" -p "http://www.nick.com/videos/clip/house-of-anubis-305-306-full-episode.html" -C B:0 -C S:"mp4:gsp.alias/mediabus/nick.com/2013/01/17/10/05/374373/77502_4304420_374373_20130117100518383_640x360_1200_m30.mp4" -y "mp4:gsp.alias/mediabus/nick.com/2013/01/17/10/05/374373/77502_4304420_374373_20130117100518383_640x360_1200_m30.mp4" -o "output.flv"