If your priest is telling you not to worry about it, then try and calm down. It is walking into the world of scruples and that isn’t a fun place to be. It is fine if you choose not to watch those shows any more, I have literally tossed out a lot of movies i really enjoyed by actresses who opened their big mouths and came out in full support of abortion, and their movies had no sex scenes or nudity, it was just a great action movies I enjoyed. An I prefer to not know an actor or actresses personal opinions for as long as possible because I usually end up really disappointed.
Nothing wrong skipping sex scenes in a movie or show I have had to do just that plenty of times watching shows and movies with my family or parents when they are around. It is beyond awkward for one., an 100% of the time in any movie ever, the sex scenes are completely gratuitous and adds nothing to the story line at all. Put it like this, Christan Bale as Batman, or J. Phoenixs Joker, no sex scenes. Why ? Well; Duh ! I have no problem with homosexual characters in a show or movie, as long as it pertains to the story line itself in a nonsexual manner. An deals with treating people with fairness and respect.
There isn’t specific Church teaching on this topic, you are right, and that is very interesting indeed. When other social issues have come up in the past like contraceptives as an example, the Church has spoken up about their position on it.
Keep doing your own research though on scruples and see where you fit into it, and do some more research on what constitutes giving into sin, there are a few levels one has to bridge to commit a sin, an then lastly if it is something that is still bothering you, keep talking to your priest about it an just ask for more guidance. If you think you are falling into Scruples as your priest for help on that too.
You are doing fine. give yourself a break .