Where can I watch the Empire hip-hop series?

The Empire series used to run on ProSieben for only two years and two seasons. Now she only runs on Fox.

Is there maybe a website where you can watch it, because unfortunately it doesn't exist on Netflix.

A website would be good that is not illegal and also where you can watch it for free or at least not too expensive.

On Amazon Prime there are seasons two to four for ten euro the season, season 5 for 24 euro and season 6 for 34 euro.

There are also seasons two to six on YouTube for 15 euro each.

I don't think it's cheaper and legal to watch.