Back in 2017, Apple kicked off an advertising campaign based on some of the letters it had been getting from people who were reaching out to tell the Cupertino tech giant how the Apple Watch was helping them live healthier lives. And now, an entire documentary series based on those “Dear Apple” TV spots is avaialble to stream via the Apple TV+ service.

Produced for Apple by Matador Content, “Dear…” was formally announced in January, months before we saw the first trailer for the docuseries in May.

Here’s Apple’s description of “Dear…”:

Inspired by Apple’s groundbreaking ‘Dear Apple’ spots, ‘Dear…’ takes an inventive and cinematic approach to biographies of the most iconic figures in society today by using letters written by those whose lives have been changed through their work.

The inaugural trailer for “Dear…” is embedded further below.

Each episode profiles people like Oprah Winfrey, Gloria Steinem, Spike Lee, Lin-Manuel Miranda, Yara Shahidi, Stevie Wonder, Aly Raisman, Misty Copeland and more. The series is executive produced by R. J. Cutler alongside Todd Lubin, Jay Peterson, Jane Cha and Lyle Gamm.

The entire 10-episode first season is now available to binge-watch on Apple TV+.

Apple TV+ is available via the Apple TV app on iPhone, iPad, Apple TV, iPod touch, Mac, select Samsung smart TVs, Amazon Fire TV and Roku devices, as well as on the web at tv.apple.com.

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The service costs $5 per month after a seven-day free trial. New Apple device owners are eligible for one full year of free service. Visit apple.com/promo for more information.