Nemesis: The Sun's Evil Twin (S06E02)

Could there be a monstrous, undiscovered star orbiting our own Sun? Could it be scattering killer comets throughout our Solar System like clockwork every 26 million years? New scientific surveys are probing the edges of our Solar System – a realm populated by giant worlds and mysterious planetoid – hunting for Nemesis, the Sun's purported evil twin. (Prime Video)