视频简介
1 "South Island" July 18, 2011 Bear Grylls must fling himself out of a plane and parachute to safety to reach this remote area. Crossing the country's highest mountain range and starting a fire in a waterlogged forest are just some of the unpredictable things he faces in this terrain. 2 "Fire And Ice" July 25, 2011 Bear Grylls is dropped on an ice cap covering an active volcano...。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...。