The North Pole (S01E07)

In the concluding phase of Will's 100-day journey, he faces his most perilous challenge: a dive beneath the North Pole’s ice to assist polar ecologist Allison Fong in collecting groundbreaking scientific samples. However, when a snowstorm strikes and mechanical issues arise, the mission is thrown into jeopardy. Through this harrowing experience, Will discovers the true meaning of heroism beyond the realm of fiction.