Honestly any movie or show that has an accurate portrayal of the plights and struggles for equality for women, minorities, LGBTQ+, lower class, etc. is eye opening for me since I was more or less born with a silver spoon in my mouth as a straight, middle class, white guy.
The Farewell for how a different culture handles death/grieving. Really kind of opened my eyes to a better way to do it than we are traditionally used to in America.
13th - I had known for a while how fukked up our prison/justice system is, but this just made me realize just REALLY how fukked up it is.
I watch TV a lot more than movies though so...
You're the Worst for it's depiction of depression which was lauded for it's accuracy.
Atypical for what is considered to be a fairly accurate portrayal of living with autism.