The Second Hundred Years - Season 1 Episode 10 A Couple of Sad Dads

Luke's son is given a telegram from Col. Garroway that was meant for Luke himself. The telegram was sent to Luke just before the avalanche. He was diagnosed with a deadly disease, and according to the letter, was only suppose to live a few months more. They think Luke is dying. But come to find out the cure to this disease turned out to be an extreme cold temperature and plenty of rest, which the glacier had already provided.So Luke is returned to a figure of fine health and should continue to live his extra long life.