Ranked #1 of 6 in Season 1•+0.3 vs season avg
21 GRAMS: Boston medic Dr. Duncan Macdougall sets out to scientifically prove the existence of the human soul, by weighing a man at the moment of death. If the patient loses weight, Macdougall believes he will have recorded the departure of the man's soul, and
John Noble
Self - Host
Jim Ottaviani
Self - Nuclear Engineer & Science Historian
Sean Montgomery
Self - Neuroscientist
David Maiullo
Self - Physicist
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"21 Grams, Missing Cosmonauts, Sound of Death" is episode 5 of Dark Matters: Twisted But True season 1. It scored 7.8/10 from 25 votes, ranking #1 of 6 episodes this season (season average 7.5). It aired on September 28, 2011.