Hello Jack: I noticed this is your first post here on PC. So... welcome to PsychCentral. By the way, I also watch TV series on YouTube. What I watch are primarily old BBC crime dramas that members have posted. (I don't subscribe to YouTube TV.)

I guess I experience something of what you describe. But clearly not to the extent you do. (I do avoid watching anything that contains graphic violence.) Anxiety is something I have struggled with. I don't know if what you're experiencing would be diagnosable as OCD or as anxiety-related. That's something that would have to be determined by a mental health professional which I am not.

Here are links to 7 articles, from PsychCentral's archives, that offer tips on how to manage anxiety, the first by our host Dr. John Grohol, Psy.D.:

Anxiety Disorders - Learn the Symptoms & Treatment

Living with an Anxiety Disorder

15 Small Steps You Can Take Today to Improve Anxiety Symptoms

9 Ways to Reduce Anxiety Right Here, Right Now

Top 10 Lesser-Known Self-Help Strategies for Anxiety

https://psychcentral.com/blog/11-tip...anage-anxiety/

https://psychcentral.com/lib/20-tips...e-your-stress/

I hope you find PC to be of benefit.