Too funny for words. Nathan Fillion goofing around during a Firefly episode. I don't know if any of you guys watch this but I had to share the awesomeness of Nathan the fact he kept a straight face the hole time is amazing
“When the crew returns to Serenity after their raid of the Alliance hospital in ARIEL, Mal hugs Kaylee from behind. This was improvised by Nathan Fillion, and was left in the shot because Joss Whedon felt it such a natural movement for Mal to make.