Series 1, Episode 20
Boone's injuries from the fall prove to be fatal, despite Jack's desperate attempts to save his life. Sayid takes Shannon on a romantic trip into the jungle, whilst Claire wanders into the jungle in labour. She is later blessed with the birth of a baby boy, with a little help from Kate, Jin and Charlie. The flashbacks centre around Jack and his wedding. The final scene sets up one hell of an anticipation!
A wedding, a birth and a death all in one episode; not bad going!