Watching anything interesting on MTV lately?

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When I was on holiday in austria on my family skiing trip, there was nothing better then lying down in the room all by yourself and turning on the TV. There wasnt much to watch but MTV was really good there. Since I can speak and understand german fluently I had no problem with the TV channels. I saw a show that didnt come on MTV when I normally watch it, I just forgot the name of it, but it was something to do with putting a ear piece and microphone into the opposite persons ear and hes/her friend depending on who they are doing it with was in a van nearby. The van had lie detectors and everything inside to see if the person was lieng. While hes friend was asking her/him the questions he could see if he/she was lieng. In the end the person who did not lie the most would go out with that person. I know it would be much easier if I had remembered the name but I didnt. Has anyone ever seen this show on MTV before and what do you think of it?