If you need the DVD content, here are 7 legitimate ways to get it—some low-cost or free.
While it is a "paper" (curriculum/book) often discussed in linguistic and educational circles, it is important to address the context of your query regarding a "free download." Signing Naturally Units 1-6 Dvd Download Free
If you are unable to access a free DVD download, there are alternative options: If you need the DVD content, here are