Free Scripts From Galactica 1980
From Battlestar Wiki, the free, open content Battlestar Galactica encyclopedia and episode guide
The following scripts are available for download as a PDF file:
Produced Scripts
Galactica Discovers Earth - link is at top of page underneath the image on the right.
The Night the Cylons Landed Part 2 - link is at top of page underneath the image on the right.
Unproduced Scripts
Galactica Discovers Earth (early draft)