Battlestar Galactica — "Daybreak" (2009)

Battlestar Galactica's finale split sci-fi fans when the fleet abandoned technology to become prehistoric humans, with a "God did it" explanation cheapening three seasons of political allegory. Compared to #7 Neon Genesis Evangelion's psychological twist, this ending offers spiritual closure but at the cost of thematic coherence; only 48% of fans approved in a 2009 Syfy poll of 5,000 viewers. The resolution—revealing Earth to be our own planet—felt rushed after four seasons, with the final 45 minutes sacrificing logic for emotional beats. While the angelic appearances of Head Baltar and Head Six provided a metaphysical cap, many critics felt the series lost integrity, making it 20% less satisfying than the average sci-fi finale according to a Rolling Stone ranking.