Firefly, aka "That Joss Whedon show", which Richard Castle classifies as "good sci-fi" along with the likes of Battlestar and Star Wars.
I have no idea why anyone wouldn't have this yet, but, if you don't, this is a pretty good price for one of the best shows currently residing on the brilliant but cancelled channel. And, also, running as a marathon on the Science Channel today (Sunday 11 November) prior to the Firefly reunion show this evening (10pm Eastern, 9pm Woot! Time).
The entire series, all 14 episodes; handful of extras; free shipping with Amazon Prime or $25 order. Makes a great Christmas gift