Watch the First Preview for Caitlyn Jenner's E! Show 'I Am Cait'

E! has released the first promo for "I Am Cait," the upcoming unscripted series that documents Bruce Jenner's transformation into Caitlyn Jenner. Watch it here: "I Am Cait" premieres Sunday, July 26 at 9 p.m. E! has ordered eight one-hour episodes of the series, which is produced by Bunim/Murray Productions. The "I Am Cait" promo is only the latest in a masterfully executed campaign that began with Ms. Jenner's April 24 interview with ABC's Diane Sawyer, a wide-ranging conversation that would prove to be Bruce Jenner's final public appearance. That special installment of "20/20" delivered 17.1 million viewers and a 5.2 in the adults 18-49 demo, making it that week's most-watched and highest-rated TV program. In May, E! ran a two-part "Keeping Up with the Kardashians" special titled "About Bruce," which largely focused on the family's reaction to the announced transition. The shows put up big numbers for a basic-cable network, averaging 2.74 million viewers and a 1.4 in the demo. The former Olympic decathlete and Wheaties box star made an even bigger splash this week when Vanity Fair released the Annie Leibovitz photo of its June cover subject. Within 24 hours after the glam shot began making the rounds, Caitlyn Jenner's brand-new Twitter account had notched 2.23 million followers. Ms. Jenner's first official public appearance will be on July 15, when she ABC/ESPN honors her with the Arthur Ashe Courage Award during the 2015 ESPY Awards. While it's anyone's guess how "I Am Cait" will fare in the ratings, if Monday's social media tumult is any indication, the premiere is almost certain to enjoy extremely robust sampling. Caitlyn Jenner could very well top the all-time biggest episode of "Kardashians;" the season five premiere averaged a series-high 4.68 million viewers and a 2.5 in the dollar demo. E! executives are hoping that the new series helps keep the network's recent hot streak alive. Per Nielsen, E! in May averaged 585,000 total prime time viewers, up 44% versus the year-ago period, while its share of adults 18-49 jumped 53% to 333,000.

Watch the First Preview for Caitlyn Jenner's E! Show 'I Am Cait'

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