Battlestar Gallactica mini-series...
 

IIRC, the SciFi mini-seires DVD box says it's widescreen, but I looked online and it said fullscreen.

Maybe I'm looking at the wrong version. I noticed that there is a version for the 70's. I want the mini-series from SciFi, which box set should I be looking for?

Looking at Amazon and the reviews here, it looks like the BSG DVD box set with the Cylon robot on the cover is from the 70's and the Mini-series is on one disk... Glad I researched a little more.

Ah, but be careful. Some of the 2003 miniseries are on a single flipper disc, while others are on two discs.

It's probably easy to tell by price. The 70s set is going to cost much more, like around $70, where the 2003 miniseries should be around $20 or less.

The mini-series is ONLY available in Anamorphic Widescreen, so no need to worry about picking up the wrong one.

http://images.dvdempire.com/gen/movies/631507h.jpg

Something tells me that the OP doesn't know much about the BSG universe.