4,722 Hours - S3-E5
Continuity mistake: When Jemma tells the astronaut, Will, she will be the voice of hope and he the voice of doom. He is looking directly at her after they shake hands. Then, in the next shot, he is looking straight forward away from Jemma. (00:22:45)
Chosen answer: Coulson believes he was resuscitated then sent to Tahiti to recuperate. "A magical place," he calls it. But in the "Agents of S.H.I.E.L.D." episode "The Magical Place", Coulson, through a mind-reading machine, learns that he was treated by S.H.I.E.L.D. and a fake memory of Tahiti was placed as a "mask" of sorts over the painful memory of the operation, which involved a drug seemingly of alien origin to repair the damage, coupled with a lot of morally dubious surgery.