Dashan moderats this learning series, which contains very detailed explanations. Dashan also talks a lot about the cultural background.
The language points in this video : zěn me yàng : how do you find it? (in retrospect) shū fu: comfortable. tóu téng : headache liāng tǐ wēn : to take the temperature fā shāo: fever tīng : listen / hear sǎng zi: throat
This video (see at YouTube) is of medium level difficulty. It has subtitles in English. We especially recommend this video.