The UnBelievable with Dan Aykroyd

S01E08 Strange Experiments

Immortality through monkey glands, mind-controlled hitmen, and a couple of cyborgs connected by their brains—these are just a few of the oddest experiments ever conducted. Delve into the world of the truly bizarre, where you'll encounter two-headed dogs and testicle transplants among other unsettling realities. Get ready to be amazed—and perhaps a bit repulsed—by these astonishing and peculiar scientific endeavors.