Imagine debugging a 1970s computer with less memory than a smart light bulb, except it is 15 billion miles away and a single keystroke takes 23 hours to arrive. This is the ultimate remote IT nightmare, and it is keeping humanity's most distant spacecraft alive right now.

This episode explores Voyager 1's wild story of survival, breathtaking scientific gambles, and a machine that refuses to die, as engineers in 2026 systematically shut down its senses just to keep its electronic heart beating.

• The near-catastrophic launch, saved when the Centaur stage burned to within 3.4 seconds of empty fuel
• The fateful choice of Titan over Pluto, and the discovery of active volcanoes on Io that rewrote planetary science
• How engineers proved it entered interstellar space using a solar tsunami to make the plasma ring like a bell  ...