There are 2 county reboots, 1 in US and 1 in Germany, this one is the original of Belgium(that got the most treatments so far i have checkted)
Season 1 Ep 63,64,65,68,70 and 73, 1 of the girls spies on the others for a badguy that ends up with her kidnapped.
She get onscreen tied up and gagged, she stays captured for a few episodes with some thimes gagged and some times not.
Season 2 Episode 60, the main girl get kidnapped and end up tied up and gagged
Season 3, Episode 70, The bad guy of this season targets 1 of the girls of the boarding school, she is shown tied up at the start and later on gets a handgag.
The badguy also tie and gag the main girl as a warning to the others not to meddle with his plan.
