The top 50 drug trips in movies

Den of Geek posted what they believe to be the fifty best drugs scenes in all movie history, including some clips I've never seen before. These are only scenes where drug use is explicit. Here's number 31, Hanna Barbera anti-drugs spot (1970):

At a time when America's animators were grooving on the psychedelic vibe (check out Aristocats), there was clearly some disparity between the anti-drugs remit of whoever commissioned this and the enthusiasm of the animators involved, who render the film an irresistible advertisement for LSD. There's even a tussle with some zombies at the end...

Beware, they load 25 YouTube clips into a single page, with the final 25 on a linked page.

Anything missing?