Mark Moses and Teri Hatcher Mark Moses and Teri Hatcher

Some sex scenes turn you on. Others turn your stomach.

For the fourth year in a row, we're singling out the TV hookups that do the latter. 

Photo Gallery: TV's Unsexiest Sex Scenes, Volume IV

From True Blood's vampy threesome to twincest on Game of Thrones to Susan's super-creepy shower sex dream on Desperate Housewives, we're celebrating all the lowlights. (And unfortunately, we had to limit the uncomfortable come-ons from the Real Housewives franchise to two.)So, click the link above if you dare. (You've been warned!) And if you're brave enough for more, don't forget to check out our previous lists here, here and here.