He says: “Our friendship has been tested and we have come through the other end. And I will be forever grateful and thankful for the love we have.
“I thought the public had had enough.
“I just thought I wouldn’t be allowed to do what I love any more, which was a very sad affair.
“But, you know, coming back and just being back on screen and the affection and love and support that people have shown, has been quite overwhelming and very emotional.
“I can’t thank people enough.”
In the ITV programme, the Saturday Night Takeaway stars, both from Newcastle upon Tyne, journey to Ireland as well as to the US, where they visit the United Nations headquarters in New York.
Their research also unearths evidence that the bones of one of their ancestors were deemed “of historical importance”.
Ant and Dec’s DNA Journey starts on ITV on Sunday November 10 at 9pm.