I've seen every episode of the first 4 seasons, but I'm NOT a fan. In my opinion, you saved yourself a lot of time.
I watched all of it hoping there would eventually be a rewarding payoff, like the family coming together, but it didn't happen.
The show just has an ugliness to it that turns me off. I don't like seeing shows or movies about family members being at each others throats trying to hurt each other. And the character of Beth is just so toxic and vile and seething with hate, again, a real turn-off.
And then there's John Dutton, who has former ranch hands murdered and their corpses tossed in a ravine (train ride), and then he postures himself as morally superior to others. I can't get behind a character like that.
And really, what the hell?! Murdering ex employees? It's a cattle ranch, not a drug cartel.
Like I said, it has a real ugliness to it.
Another complaint I have, I learned pretty much nothing about life on a cattle ranch. I wasn't expecting a documentary, but after 4 seasons I still don't know the difference between one type of cow/bull or another, or one type of horse or another. I learned that cows will die if they eat alfalfa, and I liked the scene where Walker taught Beth how to ride a horse, and there was one scene where Lloyd complained about having to ride one type of horse instead of another, but that was it as far as inside knowledge of cattle ranching and being a cowboy. And in my opinion, inside knowledge of a subject makes a movie or tv show a lot more entertaining.
I may watch the 5th season when it's available online for free. Actually now that I think about it, probably not.