I signed up about a year ago and my only regret is that I didn't do it before! It really is fantastic, so much choice, with new things being added all the time. In fact, since having Netflix, I scarcely watch normal TV. I can find whole series that I've missed when they were originally broadcast (and then binge watch them if I so wish). Or if I want to watch a long film, but am short on time, I can watch it in half hour chunks, turning it into a 3 or 4 part mini drama
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As for recommendations, I've loved The Crown, North and South, Banished, Alias Grace, The Indian Detective, Safe, along with many others, long forgotten, and countless films.