There were few moments as cathartic for Rangers fans as Tom Rogic sending his fateful penalty skyward in the 2016 Scottish Cup semi-final.
It prompted bedlam in the stands as four years of pain made way to a sudden flush of joy.
Celtic had been vanquished.
And not just by their oldest rivals in cup semi-final, but by a side sitting in Scottish football's second tier.
It's a dynamic that will likely never be repeated in Scottish football and one that makes this Rangers victory undoubtedly unique.
Jonny McFarlane talked to Mark Warburton, David Weir, Barrie McKay, Dean Shiels, Cammy Bell and David Edgar about a day that will never be forgotten.
You can listen to the must-listen documentary on all the usual podcast channels or watch it on Youtube above.
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