If you have Amazon Prime... there is a video series available right now to watch for free.
It's called 'How Should We Then Live?' a 1977 film with Francis Schaeffer teaching the material found in his book of the same name. We're up to episode 3 and it's great to see this (again? finally? can't remember). We read the book a long time ago.
By the way today is February 17, 2018 - and this is important info because Amazon does not keep their free videos/movies online forever. They rotate them out after a bit. Looks like it's also available to purchase on DVD. (My guess is those may be first come, first serve - with limited copies available.)