Bruce Jenner shocked the world earlier this year with his unprecedented announcement that he would be undergoing a gender transition process this year and become a woman. The former Olympic gold medalist is the first high-profile athlete to undergo such a procedure.

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Reactions have been mixed to Jenner's announcement, but he did receive a lot of positive feedback after his sit-down with Diane Sawyer last month. But according to the New York Daily News, Jenner's family situation is deteriorating as he goes further along in this process.

Jenner is a reality star because of Keeping Up With the Kardashians, and the show was slated to run a two-hour special episode to detail some of the effects that his transition is having on the family. Jenner's sons, Brandon and Brody, were supposed to appear in the episode, but now it looks like they have been cut out.

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The removal of Brandon and Brody comes down to the fact that Bruce's ex, Kris Jenner, did not want them in the show. "Days were blocked out for them to film and she pulled the plug," an insider said. "She didn't want them on the show."

The core of the issue appears to be that Kris wants the show to be about her kids, not the ones that Jenner had from a previous relationship.

"It was a huge deal," adds the source. "Kris runs the show. She wants it to be about her family and not the other kids."

By all accounts, Jenner is handling his transition process remarkably well, but family instability may jeopardize things moving forward.