Sorry to cheat, as Lars von Trier's 1996 sensation is actually an even-rarer cinematic inquiry into the sex life of a quadriplegic, but the marriage of fervent Christian sensualist Emily Watson and her beloved, earthy, paralyzed-from-the-neck-down husband Stellan Skarsgard raises possibilities too fascinating to ignore. Will Matthew prevail upon Mary to tart herself up and have sex with Udo Kier, then return to Downton to tell him about it in excruciating detail? Probably not, but man.