This isn't really today's interaction it is yesterdays, it maybe only 1 min 30s long but it took ages to put together. I think the reduced narration with captions works well.

I always ask my students lots of questions so I think the format represents the way I teach better than a simple video explanation. Some of the questions are just about what has previously been said, some are predicting the next step and some on previous knowledge. It's a bit stop and go but maybe that's a good thing, I will have to try it with my students.