Which sci-fi titles (movies, books) do you consider comforting, cozy, something you come back to from time to time? For me, I guess it is The Matrix. Still holds up to this day, gets better with every re-watch, and gives me a sense of peace when I need it.
Murderbot of course (Martha Wells), also The Wayfarers series by Becky Chambers. Also her novella To Be Taught, If Fortunate