http://media.libsyn.com/media/thesignal/signal_507_20090421.mp3 The Signal, Season 5, Show 7, April 21st 2009 http://signal.serenityfirefly.com/shownotes.php?e=5070 2009-04-20 http://signal.serenityfirefly.com/img/logos/TS_SQUARE.jpg