Josh Hartnett's  Beyond the Sea" episode of "Black Mirror

In the "Beyond the Sea" episode of "Black Mirror," actor Josh Hartnett plays the character David. IMAGES WIKIMEDIA COMMONS

Hartnett provides an explanation for David's choice at the end of the episode.

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"Beyond the Sea" is a devastating episode of "Black Mirror."

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The story is set in an alternative version of 1969.

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Hartnett's explanation sheds light on David's decision within the context of the episode's themes.

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Hartnett provides an explanation for David's choice at the end of the episode.

"Beyond the Sea" is a devastating episode of "Black Mirror."

The story is set in an alternative version of 1969.

Hartnett's explanation sheds light on David's decision within the context of the episode's themes.

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