Collider has published a ranked list of the 20 best sci-fi television shows of the 2020s so far, spotlighting how the genre has thrived on streaming platforms through ambitious storytelling, immersive world-building and striking visuals. The list draws from more than 100 sci-fi series released over the past five years, highlighting the standout titles that critics say have helped define the era.

Shows featured near the lower end of the ranking include the anime series Dandadan and Kaiju No. 8, praised for blending genre elements with heart and visual flair, alongside Paper Girls, a cancelled time-travel drama singled out as an underrated highlight of the decade. The full list spans a mix of anime, streaming dramas and genre favourites, with higher-ranked entries not detailed in the excerpt provided.