Derek is furious that Meredith tweaks the Alzheimer’s trial to ensure Adele wouldn’t get the placebo. Because their relationship is not in a good place, the adoption of Zola is in jeopardy. Later after 39 straight hours of working and stressing out, Meredith and Derek have a surprise visitor at the door; it is the social worker. The adoption has been approved and she is delivering baby Zola! It won’t be just the two of them anymore; they are truly a family now!