Fantaisie-Impromptu in C-sharp minor, Op. 66
composed by Frederic Chopin

On the island, Widmore subjects Desmond to a large amount of electromagnetic energy as an experiment. In the flash sideways, Desmond, with the aid of Charlie, starts to have visions of his life in the original timeline.

Bart gets a perfect score on Springfield Elementary's latest standardized test, leaving Lisa worried that Bart may be smarter than her when Bart is rewarded with a field trip -- that turns out to be an elaborate trick into getting the low-testing students out of the way. Meanwhile, Homer forgets to mail off his insurance payment and must keep himself and the house accident-free until his coverage can be reinstated at 3:00pm.

On Jacob's orders, Hurley leads Jack to a lighthouse. Meanwhile, Claire questions an Other she has captured while tending to an injured Jin. In the flash sideways, Jack is a single father trying to bond with his son.

In 1977, Daniel Faraday returns to the island in order to warn its inhabitants of a catastrophe involving the Swan Station. Jack, Kate, and Daniel start a gun fight with the Dharma Initiative, leading Dharma to go after Sawyer and Juliet. Daniel has a plan to change the future by detonating the hydrogen bomb at the same time as the Incident at the Swan Station. However, when he goes to the others to find out where the bomb is, he is shot in the back and killed by the younger version of his own mother. In flashbacks, Daniel's relationship with his parents, Eloise Hawking and Charles Widmore, is shown.

The story of Steve Jobs' ascension from college dropout into one of the most revered creative entrepreneurs of the 20th century.

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