Prince William‘s Passion: New Father, New Hope” premieres on CNN on September 15 at 10 p.m. ET. Portion of the interview will air on CNN’s New Day on Monday at 8 a.m. ET.

(CNN) — Prince William has given his first official interview to CNN since his wife, the Duchess of Cambridge, gave birth to their first child.

The future king of Britain sat down with CNN’s Max Foster to talk about baby George, his wife Catherine, and what it’s like to be a new father.

A portion of the interview will air on CNN on Monday, August 19 at 8:00 a.m. ET.

The interview is part of a one-hour special, “Prince William’s Passion: New Father, New Hope,” which will premiere on CNN and CNN International on Sunday, September 15 at 10:00 p.m. ET