The E! docuseries that will chronicle the tranformation of the former Bruce Jenner into Caitlyn Jenner now has a name: "I Am Cait." Jenner revealed her new name as Caitlyn in the Vanity Fair cover and story released Monday.

And it also has a trailer, which you can see at Eonline.com.

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What to say about this trailer and this series? Obviously, first impressions count a great deal, and this is your chance to make them, but mine is that this looks good, or at least promising...

StoryWhat Jenner faces in legally changing identity

E! and Jenner -- who could not convince her children from her first two marriages to participate -- simply know that this is the most important series either party will ever do, and add to that Bunim/Murray, which is also producing. Bunim/Murray has certainly done its fair share of trash (including "Keeping Up with the Kardashians"), but the company knows this can't join that list.

In addition, B/M has assembled a distinguished group of consultants and has enlisted support from GLAAD; this program will reflect on those consultants -- most notably Jennifer Finney Boylan.

The eight-parter arrives July 26.

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