Our solar system holds well over a hundred moons, and this episode of Cosmic Vistas asks which of them might be capable of supporting life beyond Earth. Using HD imagery and animated flybys, the film moves past the familiar Europa and Enceladus headlines to look at lesser-known candidates, weighing the evidence for subsurface oceans, tidal heating, and the chemical ingredients life would need. Planetary scientists lay out what spacecraft data from missions like Cassini and Galileo actually show versus what remains speculation, from plumes of water vapor to icy shells hiding liquid beneath. The narration walks through how astronomers judge habitability at such distance from the sun, and why a moon orbiting a gas giant might succeed where a planet orbiting a star does not. It is a survey rather than a single-mission deep dive, built to give a sense of how many places in our own backyard are still genuine open questions for astrobiology.