Walter White celebrated his 51st birthday in Breaking Bad Season 5 Episode 4.
Correction, really: Walter White insisted on celebrating his 51st birthday, believing he deserved a major party and forcing Skyler to throw him one.
But family gathering didn't end with a song or with Walter giddily opening gifts or with everyone stuffing their faces with cake.
No, it concluded with Skyler making a bold/daring/desperate move that filled the final few moments with suspense and dread. To what are we referring? What did Walt's wife actually do?
Watch the installment now from start to finish for the answer:
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