we also saw how the parents of sarah murmahan took to the courts to fight for their girl.day waiting. but tonight, the wait is over for colter minor. again, this is the second time around for this family since jeff and patty learned their new little boy was born without the left side of his heart. >> that was the bath the nurse gave him before he went down for his transplant. >> reporter: colter had his first transplant at six weeks old so he is smaller than many of the kids in his second grade class. and while he has all the pent-up energy of a 9-year-old, and loves star wars. >> make action figures. >> reporter: he also has his iv pump. >> i have is it because it goes through where my heart is. >> reporter: in recent years it became obvious that the donor heart may not last until age ten. >> one, two, three. >> there we go. >> reporter: so the family crossed fingers and the surgeons held out hope and here it is. a second, second chance. the mayo clinic is known for its team approach to medicine. so this surgical team moves with perfect timing. >> i'm bypass, we're excisi