Avatar and Interstellar, both made with enormous budgets by overwhelmingly successful directors, are weird examples to use for "non-mainstream". In fact, most

Avatar and Interstellar, both made with enormous budgets by overwhelmingly successful directors, are weird examples to use for "non-mainstream". In fact, most of the Oscar Best Picture nominees from 2020 [0] meet that description better than the movies you cited (not sure what was in theaters last year, but most of them were readily available from a mainstream source; I'm sure that in a normal year most would have been in mainstream theaters). [0] https://en.wikipedia.org/wiki/Academy_Award_for_Best_Picture#2020s https://en.wikipedia.org/wiki/Academy_Award_for_Best_Picture...