"...new material includes cast members revealing their thoughts on the episode's production process as well as a unique perspective of the episode as both an actor and a viewer.
" Sounds so exciting!
I know this is useless since most of us do not speak German, but there are a few HL/House related questions and "to21be" on "House's House of Whining" forum (hhow.10.forumer.com/) kindly translated all the House related bits. (in comments)
Costar Jesse Spencer,tells me, “It involves four couples stuck in four rooms. It’s all heads talking.” Not just any talking heads, mind you. One of them will be Jennifer Morrison, who returns in this episode as the much-missed Dr. Cameron!