Collider has published a listicle recommending ten science fiction films that reward a second viewing, arguing that the genre's dense, high-concept storytelling often means key themes and plot details only click on a rewatch. The piece, written by senior writer Ryan Heffernan, frames these as either genre-defining classics that deepen with familiarity or underrated gems that need repeat viewing to be fully appreciated.

The list opens with Stanley Kubrick's "2001: A Space Odyssey" (1968), praised as a visual, non-linear meditation on human evolution and artificial intelligence whose ambiguous ending still sparks debate decades on. It also includes Denis Villeneuve's "Arrival" (2016), noted for how a second watch recontextualises its non-linear structure and sharpens its themes of miscommunication and mortality once the audience knows Louise Banks' true perspective.

– Sci-fi films often need a second watch to be fully understood or appreciated
– "2001: A Space Odyssey" (1968) rewards rewatching due to its ambiguous, symbolic ending
– "Arrival" (2016) plays differently once its non-linear structure is known
– Article is part of a wider ten-film list (full list not fully captured here)