BrianCoxtacklessomeofthemostchallengingandintriguingquestionsfacingsciencetodaybyusinghisbestmaterialfrompastprogrammesandthelatestscientificresearch.Episodesinclude…Space:HowFarCanWeGo?（太空：我们对宇宙的探索能走多远？）Brianbelievesweareatthestartofanewageofspacetravel,wherespaceflightisonthevergeofbecomingroutine.Inthisepisode,heexploresthelatestscienceandtakesanewlookathisoldfilmsandasks:howfarcanwegoinourexplorationofthecosmos?Aliens:AreWeAlone?（外星人：人类是唯一的吗？）BrianCoxlooksatourattemptstoansweroneofthemostprofoundquestionswecanask–arewealoneintheuniverse?Inthisfilm,heexplainswhythissearchshouldbetakenseriously.WhatIsGravity?（什么是引力？）Briantakesafreshlookattheconceptofgravity,revealingittobefarmorethanjusttheforcethatmakesthingsfalltotheground.WhatisTime?（什么是时间？）Brianexplorestheenigmaoftime–aphenomenonthatwetakeforgrantedbutwhich,asfarasphysicistsareconcerned,isoneofthebiggestmysteriesintheuniverse.
