This is the missing scene from Return of the Jedi where Luke is building his lightsaber in a cave on tatooine. Taken at The Main Event at Star Wars Celebration V, this is supposed to be included in the 2011 BlueRay release.
A lot of time passed between Han Solo being frozen in carbonite and the rescue at Jabba’s palace. It is between those two events that the story of Gree-Morr, the inbred Jedi, begins. Check out theinbredjedi.com for future Gree-Morr adventures.