The one with the witch hunter?
No. It’s the one where he falls in love with a girl called Bob. Who actually turns out to be Kate. And then Lord Flash heart steals her at the end of the episode.
Here’s the scene, though the picture quality is poor. https://www.youtube.com/watch?v=T3D6Ecs7VhQ
No the one that was a spoof of Shakespeare’s boy dressed as girl mistaken identity comic techniques.
Mr B has a new servant who is actually a girl dressed as a male teen. Mr B is strangely attracted to him/her.