James T. Kirk tente d'être à la hauteur de son père sous le contrôle de M. Spock alors qu'un Romulien vengeur du futur crée des trous noirs pour détruire la Fédération, planète par planète.

Au XXIIe siècle, le vaisseau "Nightingale 229" traverse le cosmos. A son bord, le capitaine AJ Marley, le copilote Nick Vanzant, le docteur Kaela Evers et l'informaticien Benji Sotomejor. Ayant reçu un signal de détresse, ils changent de trajectoire et se retrouvent au milieu d'un orage magnétique provoque par une étoile sur le point d'exploser. La survie s'organise rapidement, car le vaisseau doit repartir avant que l'étoile ne se transforme en supernova.

Prof. Jim Al-Khalili tackles the biggest subject of all, the universe. Through a series of critical observations and experiments that revolutionised our understanding of our world Jim guides us through the greatest cosmic detective story of all. He takes us from the beginning of the universe to the end time and answers the question: where did the universe come from and how will it end?

At 4.6 billion years old, the Solar System is our solid, secure home in the Universe. But how did it come to be? In this episode we trace the system's birth from a thin cloud of dust and gas. Shocked by a nearby supernova, the pull of gravity and natural rotation spun it into a flat disc from which the Sun and planets coalesced. It all happened in the space of 700 million years, during which the planets jockeyed for position, dodging the brutal bombardment of deadly asteroids and setting into the neat, stable system that we now realize might be a rarity in the universe.