If you sign into Coursera, you may not be able to view all the videos, but if you just use the link on the course webpage and click "preview lectures" or something like that you can see all the videos.

There is a new assignment for this week: Amnesty. Basically, you can do or redo ONE of your assignments so far (including the current assignment) and submit. The assignment is optional. 

For this week watch both series on Neural Nets. We may cover one or both this Saturday, depending on the time.