This was no ordinary court case. The battle in the Supreme Court over the shutdown of Parliament is a historic test of the powers of the prime minister, MPs and the courts.
And it captured audiences: on the first day, the video stream was accessed 4.4 million times.
But if you didn't follow every twist and turn in three days of legal argument, here's a guide to what happened and why it matters.
The judgement is expected in the week beginning 23 September.
Why is the case so important?
For some in the crowds of people protesting ...
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