E! series “Keeping Up With the Kardashians” drew its largest audience in nearly three years on Sunday for the first part of its two-night its Bruce Jenner special “About Bruce.”

According to Nielsen’s “live plus 3” ratings, “Kardashians” averaged a 2.21 rating in adults 18-49 and 4.24 million viewers overall on Sunday, making it the night’s No. 1 ad-supported cable program for the night (ahead of AMC’s “Mad Men” finale) in 18-49 as well as women 18-49, women 18-34 and adults 18-34. It had averaged a 1.4 rating in 18-49 and 2.92 million total viewers in same-night ratings.

Live+3 ratings for Monday’s second night of “About Bruce” won’t be available until next week, but in same-night numbers, it was down a little from Sunday (1.3 rating in 18-49, 2.55 million viewers overall). E! will be airing a new eight-part docuseries following Jenner’s journey, starting Sunday, July 26.

Following Sunday’s premiere of “Keeping Up With the Kardashians: About Bruce,” the first-season finale of scripted drama “The Royals” averaged a 0.87 rating in adults 18-49 and 1.84 million viewers overall. This was in line with the show’s prior episodes as the series finished its run as cable’s No. 2 new scripted series of 2015 (behind only AMC’s “Better Call Saul”). “The Royals,” the network’s first original scripted series, will return for its second season in November.

Last week’s primetime average in adults 18-49 for E! (374,000) was the network’s largest since last August. The net has gotten a boost from the second season of “Botched,” which is averaging 886,000 adults 18-49 (0.7 rating) on Tuesdays at 10.