VICE’s resident chemist and stalwart drug anthropologist Hamilton Morris is back with a new season of Hamilton’s Pharmacopeia, where he investigates the history, chemistry, and social impact of the world’s most extraordinary mind-altering substances for VICELAND.

On the latest episode, Hamilton tracks down a former PCP cook and tries out a variation of his recipe in the lab.

Watch the clip above and check out new episodes of Hamilton’s Pharmacopeia every Monday at 10 PM on VICELAND.