Thesquirrelfamilyisoneofthemostwidespreadonearth,sowhatisthesecrettotheirsuccess?Therearesquirrelsthatcanglidethroughtheair,outwitrattlesnakesandsurvivethecoldesttemperaturesofanymammal.Weuncovertheextraordinaryabilitiesofthesecheekycharacters,puttingtheirproblemsolvingtothetestonaspeciallydesignedassaultcourse.Weteamupwithsomeoftheworld'stopsquirrelscientistswhoaremakinggroundbreakingdiscoveries-fromthefoxsquirrelwhocanrememberthelocationof9,000nutstothegreysquirrelwhosetree-topleapsarethebasisofnewdesignsinrobotics.WealsoseetheworldthroughtheeyesofanorphanredsquirrelcalledBilly,ashegrowsupanddevelopsalltheskillshewillneedtobereleasedbacktothewild.Itistimetomeettheanimalfamilyweshouldneverunderestimate-thesupersquirrels.