The cuckoo bird promises to reveal every part of his ‘journey.’

Daily Mail – It was officially confirmed earlier this week that Bruce Jenner would finally sit down for a tell-all interview with Diane Sawyer.

And on Thursday night ABC released the first teaser for the highly anticipated chat during primetime in the middle of a Grey’s Anatomy episode.

In the clip Bruce can be seen talking intently with Sawyer as a voice over promises to answer many of the most provocative questions surrounding the former Olympian.

The 65-year-old Olympic gold medalist has kept a low profile since being involved in a fatal car accident on February 7.

He has also been the subject of speculation that he is transitioning into a woman amid various changes in his appearance.

Read more: Daily Mail