The Gold Box spotlight deal of the day over at Amazon today is a sale on select seasons of Doctor Who, Battlestar Galactica, and House from their Instant Video catalog. So, you can purchase a season at a drastically reduced rate and then watch it right online or download it for viewing on your PC.

Visit the Sale page to see all the seasons offered, some of which are available in HD.

Note, this deal is valid only for today, Friday, September 9, 2011, until 11:59PM PST.

Here’s a sample of some of the available sale items:

– Doctor Who Season 5: $5.99 [13 episodes]
– Battlestar Galactica Season 1: $9.99 [13 episodes]
– House Season 1: $9.99 [22 episodes]

Considering that just a rental of one episode is $1.99, these sale prices are awesome for so many episodes.