The concluding set of episodes from the science-fiction series' 21st-century reboot wraps up the saga of humans versus Cylons.

Devotees of the update revered it for its richness of stories and characters as well as expected conventions of the genre, and there's plenty of that mix as the show draws to an often emotional close.

Cast members include Edward James Olmos, Jamie Bamber, Katee Sackhoff and Mary McDonnell. The entire series also is available in a box set. *** (Not rated: AS, P, V) (Also on Blu-ray)

Buy 'Battlestar Galactica' Season 4.5