The final episode. Lives changed forever. From BBC Radio 4's The World at One, with Jon Manel.

"You want them to like you." It is a few weeks since Julie and Robert met their new children. "It was very unusual to be called Daddy." From BBC Radio 4's The World at One, with Jon Manel.

"Is that Daddy and Mummy?" The day Bethany and Ben meet their new parents for the first time. "When they come knocking on our door, you can open it and you'll know who they are." From BBC Radio 4's The World at One, with Jon Manel.