What happened to Madeleine McCann that night in Room 5A of the Ocean Club Resort? In its final episode, Maddie explores and tests the theories which attempt to explain how a small three-year-old girl has been missing since 2007.

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A rare interview with the former Portuguese lead detective opens up new perspective on the cold case, the UK police investigation and where it might be heading.

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The fight to control the narrative of a wild and explosive story.

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Police explore what appears to be unusual activity on Kate and Gerry's mobile phones.

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Never heard before court audio reveals the battle and consequences of the McCanns’ feud with lead Portuguese detective Goncalo Amaral.

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One of the world's leading DNA scientists says he can now answer a critical forensic evidence question which baffled investigators in 2007.

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Two British sniffer dogs arrive in Portugal to hunt for Madeleine. The dogs alert in a number of locations.

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The investigation continues. A late night encounter on a dark street blows open thinking about the case. Could it hold the key to the Maddie mystery?

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The investigation begins. But Portuguese police have questions about evidence that supports the family's claim Madeleine was abducted.

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Madeleine McCann and her family travel to Portugal with a group of friends who will become known as the Tapas 7. On the sixth night, Maddie vanishes.

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