Ok, I am able to reproduce it here too and also I have found the upstream report about this problem, so you can track and follow status of this issue at https://bugzilla.gnome.org/show_bug.cgi?id=643052 , Thanks in advance.
** Bug watch added: GNOME Bug Tracker #643052 https://bugzilla.gnome.org/show_bug.cgi?id=643052 ** Also affects: banshee via https://bugzilla.gnome.org/show_bug.cgi?id=643052 Importance: Unknown Status: Unknown ** Changed in: banshee (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/761167 Title: Banshee fails on podcasts with "_" in the URL -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs