Interesting documentary I found about the uses of psychedelic drugs like LSD or ecstacy in psychotherapy research. It's a few years old and the quality is not that great but it is very informative. Check it out:

PART 1 

PART 2

PART 3

PART 4

PART 5

The New York Times ran an article exploring the idea of readdressing the potential of psychedelic drugs in therapy. You can read it here.