Dying Earth

Earth faces annihilation as its expanding Sun prepares to swallow the planet whole. This origin world of humanity and the Monoids drives the Ark's desperate mission: the last survivors, preserved as micro-cells, embark on a 700-year voyage to Refusis Two. The Commander's stark revelation hits the Doctor, Steven, and Dodo with profound shock, underscoring the raw finality of mankind's cradle reduced to cosmic ash.