BotCon Costume Panel Videos!

[lunatron]

This video is the 'official' one: http://www.youtube.com/watch?v=DVYFZsKAITU&feature=related

Then these are by NatsumeRyu:
http://www.youtube.com/watch?v=uPgYwWxuz6c&feature=relmfu
http://www.youtube.com/watch?v=QZi9Ojd9SGs&feature=relmfu
http://www.youtube.com/watch?v=-S_WXg2Dwg4&feature=relmfu
http://www.youtube.com/watch?v=gQxOyZsXRtk&feature=relmfu
http://www.youtube.com/watch?v=X_GIu5d_CHc&feature=relmfu

These give slightly different angles on the proceedings, and NatsumeRyu's videos cover a bit more of the end.