https://www.bbc.co.uk/events/ejb3v2/live/cf89mb
the video may only work in UK, due to licence fee regulations blah blah..
1.5 hours approx, seems to be regular occurances now- showing a group drawing session, with a couple of models in different poses, and asking for the public to send in their artistic efforts!
Not seen this weeks episode yet, to say anything worthy...