Russell Tracks Suspicious Sounds To A Cave System! | Expedition Bigfoot

Subscribe to Discovery UK for more great clips: https://bit.ly/3wjYPAU Ex-military survivalist Russell climbs through a cave system, following suspicious sounds he heard the night prior. #ExpeditionBigfoot #DiscoveryUK 🇬🇧 Catch full episodes of your favourite Discovery Channel shows on discovery+: https://bit.ly/41DFZTB From season 5 episode 4. Follow Discovery UK on Twitter:   / discoveryuk                 Watch Discovery UK on SkyQ and Sky+ 125, Sky Glass & Stream 138, Sky Scotland 126, Sky ROI 125, Sky Glass & Stream ROI 134, Virgin Media 177.