Lost: 1x20 - Do No Harm

• Jack works on Boone's severe injuries, with Sun's help; Jack transfuses his own blood into Boone
• Boone tells Jack about the plane and hatch; Jack blames a conveniently missing Locke
• Jack prepares to amputate Boone's leg
• Boone asks Jack just to let him die; Boone dies
  
• Claire goes into labour in the jungle
• Kate delivers Claire's baby boy; Charlie and Jin watch from a safe distance
• Sayid throws a surprise picnic for Shannon on the beach; Jack tells her about Boone's death when she returns the next day
  
• FLASHBACK: Jack
• Jack got married to a woman whose broken back he fixed a couple of years earlier