What to stream: ‘Mary Poppins Returns’ and BBC Earth on Netflix, ‘Marshall’ on Amazon Prime, ‘Woman at War’ on Hulu

Here’s what’s new and ready to stream now on Netflix, Amazon Prime, Hulu, HBO Now, video-on-demand, and other streaming services … Mary Poppins Returns (2018, PG) stars Emily Blunt as Britain’s most famous nanny, who floats back into the lives of the now-grown Jane and Michael Banks (Emily Mortimer and Ben Whishaw) to help with […]