Just that one and a few others that are obviously fake, like the blood in the toothbrush bit. He does seem to shock himself quite a bit for real, such as with the homemade taser. I mean, he is an actual electrical engineer.
i never liked his youtube channel. the man has been proven wrong on several occassions and he goes on a flagging blocking and spamming spree acting like a total cunt refusing to admit he was mistaken or wrong.