S01E08
Andy McGrath meets a childhood eyewitness of Wales' most famous UFO incidentS04E03
Archaeological finds across the North of BritainS01E25
A hoard of golden coins are found in the prospecting district of CaliforniaS01E26
The discovery of a mysterious 500-year-old manuscriptS05E03
Mike tries to rid the Field of Dreams of a junk-stuffed school busS15E01
UFO hotspotsS15E02
Unexplained crop circle formationsS01E01
British heavy bomber the LancasterS01E03
German Second World War fighter, the Messerschmitt Bf 109S03E02
Archaeological digs in the west of BritainS04E01
Alice Roberts and Matt Williams visit archaeological digs across the countryS01E08
Andy McGrath meets a childhood eyewitness of Wales' most famous UFO incidentS01E07
Andy McGrath receives basic military training at a Civil War re-enactmentS15E01
UFO hotspotsS15E02
Unexplained crop circle formationsS01E04
Vera Atkins' post-war efforts to determine the whereabouts - or fates - of her agentsS01E04
The factors prompting an SS mission to the HimalayasS01E04
A 1941 mission by elite British commandosS01E09
The influences behind The Lord of the RingsS01E08
The legend of ThorS01E02
Part two of two. A key turning point of the Second World WarS01E06
The story of the final days of the Third ReichS15E01
UFO hotspotsS15E02
Unexplained crop circle formationsS01E08
The plausibility of apocalyptic propheciesS01E01
Isaac Newton's obsession with biblical propheciesS01E08
Operation Reinhardt, in which the Nazis killed two million people over two months