It really isn't about smoking drugs. It's about a lonely dragon, so watch:
The 7th Voyage of Sinbad (dir. Nathan Juran, 1958; UK/USA)
Pete's Dragon (dir. Don Chaffey, 1977; USA)
The NeverEnding Story / Die unendliche Geschichte (dir. Wolfgang Petersen, 1984; West Germany/USA)
Shrek (dir. Andrew Adamson & Vicky Jenson, 2001; USA)
How to Train Your Dragon (dir. Dean DeBlois & Chris Sanders, 2010; USA)
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