Barbara Walters will serve as host of Monday's hourlong program.
"Prince William and [his wife] Kate will be parents in just weeks, and their royal baby will enter this world prepped for kingship," the network said in a news release Tuesday.
"He or she will fulfill the royal family's basic mission, to preserve England's faith in the monarchy and ensure its survival ... a lot of weight to place on a small infant's shoulders. But already there are visible departures from the imperial family's past. How will the new royal couple manage to balance centuries of tradition with their notorious urge to be modern?"