The Amazon: Deadly Creatures (S01E02)

Will, who has always had a deep-seated fear of spiders, embarks on an expedition into the heart of the Ecuadorian Amazon to hunt for lethal creatures. Accompanied by Professor Bryan Fry and local climber Carla Perez, they descend 200 feet into a cave system referred to as the "womb of the Earth." There, they come across a massive tarantula. Utilizing advanced methods, they collect its venom, which may prove crucial in saving countless lives.