WhenlibrarianTaylorHarrissuddenlylosesherjob,shemovesbacktohersmallhometowninMontana,whereshegetsinvolvedinhelpingsaveherbrother'ssmall-townhotelfromtycoonJoelSheenan,whowantstorenovateit.

　　Massivemachinesrequireengineeringextremes.
　　Themassiveman-madesatellite,commonlyknownastheInternationalSpaceStation,hurtlingaroundtheEarthat27,600kmanhour,hasbeenatemporaryhomeforhumansforthelast20years.Thebiggestlandvehicleonearth,abucketexcavatortitledBagger293,thatcanmove240,000cubicmetersofdirteachday.Innovationhasalwaysmeantbuildingbigger,faster,taller,longerandstrongerthananythingthatcamebefore.We’veseenthemindramaticvisualfashion.Buthowdotheseactuallywork?Whatsetseachmachineapart.Whatbigideasdroveitsevolutionandwhatlimitationsdidthismachineovercome?Whatforceswasitbuilttowithstandandwhereisthebreakingpoint?UsingCGIandexpertinsights,we‘stripdown’thedesignofsomeoftheworld’suniquecolossalmachinesandrevealmechanicalsecretsthatnotonlymadethemwork,butalsochangedtheworldinabigway!
　　Eachepisodeexploresfourincrediblemachines,linkedthematically.Fromseaandspacefaringdesigns,tomegaairborne,miningandindustrialmachines,we’llbreakdownwhattheycandoaswellaskeyinnermechanicsandmaterialsthatmakeitallpossible.Dynamicarchivalfootagefeaturing;slowmotion,aerials,andtime-lapsesgetuspastthe‘caution’tapeandupcloseandpersonalwiththesecompoundmonsters.CGIprovidesbreakoutsandblueprintsandalookathiddenmechanisms.Addingexpertiseofstructural,mechanical,chemicalandforensicengineerstohelprevealwhat’satstakewhenthesecolossalconstructionsareputwork,andhowallthepiecescometogethertomakeabigimpact.
　　EPISODES:
　　S1E1SeaMonsters
　　S1E2AstronomicalEngineering
　　S1E3ThereBeDragons
　　S1E4Sub-ZeroSupermachines
　　S1E5EarthBiters
　　S1E6MammothManufacturing