From 'Trainspotting' to 'Fear and Loathing in Las Vegas' to 'Hot Tub Time Machine,' filmmakers have tried all sorts of different ways to portray drug hallucinations in the movies.

This montage, put together by supercut-maker extraordinaire Mewlists, features 50 of the most famous drug trips ever put on film. See how many you can recognize -- and try not to get a contact high.

Video is slightly NSFW because of, you know, drugs:

[via Viral Viral Videos]