Into the Universe with Stephen Hawking watch online

Stephen Hawking has a difficult life. 30 years the man was confined to a wheelchair. However, until that time, Steven had become famous as a great physicist. He was always interested in the universe, so he made many discoveries in the field of space. Now a man theorizes about the existence of aliens. He is sure that there is a parallel world, but do not advise anyone to meet with its inhabitants. Moreover, Stephen is sure that you can travel in time but only in the future. Than it proves their theories? Whether his arguments are solid. The documentary series tells about all the thoughts physics.