With Francine Stock. Director Kevin Macdonald on Jude Law's Scottish accent in his submarine drama Black Sea. And how geo-politics caught up with a film that's partly set in Crimea. Jason Reitman discusses the moral panic about social media in his ensemble piece Men, Women And Children. And reveals his 70 year old mother's texting habits. FX maestro Ben Burtt reveals the identity of the language that the Ewoks speak in the Star Wars saga. Neil Brand shows us the part that music played in dramatising the final showdown between Darth Vader and Luke Skywalker in Return Of The Jedi.