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Take a deep breath:
A castaway is dead. We learn the identity of another of the Oceanic Six. We learn who owns the boat. And we meet Ben's spy on the boat.
Has there ever been an episode that answered so many questions yet advanced the plot so little? Not that I'm complaining — Ji Yeon continued the near-perfect season four. It was a masterful episode, and I doubt there was a dry eye among viewers at the end.
Frank is pacing around the boat, and in the halls we meet Regina (Zoe Bell, from Death Proof) who seems a tad disturbed; she's reading a book upside down without seeming to notice. Methinks she's followed Desmond back to the past. It turns out she's guarding Sayid and Desmond, who have been locked in the sick bay since their trip to the radio room. Sayid is surprised when Frank tells them he wasn't the one who opened the door to let them out. So then who was? Later on a note to Sayid and Desmond is slipped through the door: "Don't trust the captain." Sayid tells Desmond about Ben's spy on the boat.
On the beach, Jin and Sun are discussing baby names. Jin is convinced it will be a girl, Sun thinks it will be a boy. Jin likes the name Ji Yeon, but Sun doesn't want to jinx the pregnancy; remember, if she doesn't get off the island she'll die.
Flash forward to Sun in front of a mirror, putting on makeup. She feels something is wrong; she sits on the bed, and calls the hospital. We see she is very pregnant and she is going into labour. Meanwhile, Jin is rushing to get to the hospital on time. He stops off a the toy to buy a stuffed panda.

network.nationalpost.com