I saw the original series of Battlestar Galactica on sale for a good price, so I bought it. I was nervous that it might look clunky and old-fashioned. I didn't find it so. I've enjoyed watching it. Only one episode was silly because it featured tame unicorns. Baltar was so unscary!
I find I like Apollo as much as I used to. I like Starbuck more than I did when I originally watched the series, but that cigar is a turn-off. For the most I like the 70's longer hairstyles. The women's clothes are dated, but otherwise I think it hasn't dated much. The stories are good.
It's a cult series, especially because it ended prematurely for financial reasons.