The Moon has shaped human calendars and imaginations long before anyone reached it: this BBC film opens with the ancient stone alignments and rock formations that early cultures built to track its phases and predict eclipses. Archival footage carries the story into the twentieth century, culminating in Apollo 11, where Neil Armstrong and Buzz Aldrin become the first humans to walk on its surface, and the film uses that footage alongside mission interviews to convey what the achievement meant at the time. From there it widens its lens to other moons in the solar system, Titan's methane seas and Europa's ice shell hiding a subsurface ocean, both cited as places scientists consider worth searching for life. The film closes on NASA's Artemis program and its stated goal of a sustained lunar presence as a stepping stone toward Mars. Across ancient astronomy, Cold War spaceflight, and current mission planning, the throughline is consistent: the Moon as the one body beyond Earth humans have actually stood on.