Under the Past Sessions all the videos are hyperlinked and viewable. Except for “UI Tools: Scrolling Menus at Runtime” and “Mobile Development: Converting Space Shooter to Mobile”.
Why are those two unavailable?
Any answer on this? would really like to view the Mobile Dev one.
Thanks
these are on the live training archive.
http://unity3d.com/learn/live-training
It can take a few days to get these uploaded as they have to be edited and packaged up by the Author ready for use on tinterweb. but they always get there 
The link is broken (again?):
I can’t find that tutorial or video anywhere…?
That lesson was deprecated and will be replaced.