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S7, Ep18 Jan. 2019 Nightmares of Neutron Stars Neutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than previously believed, with the power to destroy planets and even other stars. When Supernovas Strike S7, Ep215 Jan. 2019 When Supernovas Strike Supernovas are the violent...。In this brand-new three-part series for ITV, adventurer Bear Grylls heads out on an epic journey of discovery across England, Scotland and Wales to experience the British Isles at their most spectacular.。