We are extremely compatible. We like at least 95% of the same shows. The only differences are the shows I watch while he is on the computer. And even then, he doesn't dislike them, he just doesn't really watch them.
I'd say we're just about the same in interests. We like a lot of the same shows and rarely seem disappointed when we introduce each other to something. If we don't have 100% compatibility, then it's no lower than 95%. I don't think we've found a show we don't both enjoy though.