Alright, so this might be a bit of a longshot. I thought this would be easier to find given the production value, but it's been probably close to a decade since I last saw it.

The movie was older, maybe 80s-90s. I'm fairly certain it wasn't in English, I'm remembering a foreign language possibly French or German.

It was definitely longer than 20 min and there were three major sex scenes. The first scene has a guy showing someone a machine or program on his computer. He uses the machine on the nearby maid as a test. When he activates the machine, there is an explosion or some kind of special effect and they go into a trance. He types or talks into the computer to control her. Sexy times ensue with the maid. I believe the person (woman?) he was showing the machine to joins at some point.

The second act has two girl scouts come to the house. One was white with blonde hair, one was black. He uses the machine on them and proceeds to have a threesome. I think I remember another guy joins at some point.

I can't recall the last scene too well, but I believe it involved a blonde woman in a car. Any help would be appreciated!

At the early 2000s there was this tv series called Hope Island about a priest that lives in a little town in an island. It has this episode where a hypnotist visits the town, he does his act and hypnotised Allison Hossack's character.
https://www.imdb.com/title/tt0604919/?ref_=wl_li_tt

I am looking for that clip since then.

Also in the same episode, Suki Kaiser's character tried to hypnotize the priest. It's a nice FM scene. (At the end it's revealed that the priest faked being hypnotized)

HI,
I remember a number of years ago watching a YouTube vid revolving around a discussion and demonstration of various depth levels of hypnosis. What I remember, the lecturer/hypnotist was boring. He slowly (very slowly) read his entire PowerPoint slide by slide. So, an educator he was not, but, the reading was broken up by video excerpts of him hypnotizing an attractive young lady (who also answered questions about her experience) several times.
Again, all I remember is that he was boring and she was very cute. Spark any memories?
Thanks in advance!!!

I do read Chinese but it isn’t a strong language for me, so I use Google Translate when I need to. 🙂

Wow, thanks to all of you! I didn't expect any responses, but this helps a lot. That last clip you posted, StormShadow, even mentions "episode 7"; I'm not sure it's the same episode, but it's as good a starting point as any. Either way this is great, this was a drama I'd been trying to find for a looong time - funnily enough, I've stumbled upon that clip in the restaurant/terrace several times, but I'd never actually made the connection that it was the same villain.

Edit: Found it on Youtube, it's episode 6 (around 29:45) - the channel seems to cut some sound from the episodes they upload (presumably for copyright reasons), but this one has the part in full. The two other scenes with the waitress and (who I assume is) the love interest both happen in episode 7 (at the very beginning, then near 36:50).

No problemo. I don't speak Chinese but I was able to navigate the site to locate the user's profile page which contains a great many more videos: https://space.bilibili.com/397810946. Also, the title of the original clip is 美女被控制篇 (translated by google it means "beauty is controlled") if you pop that into their search you'll find a bunch of other clips.  Enjoy.