Frank Baker faced death while earning two Purple Hearts in Vietnam, but the scariest moment of his life came in June 1995.
Baker was in his home in Vermont, when he suddenly burst into flames, an experience he discusses for the first time on "The Unexplained Files," airing Oct. 2 on the Science Channel.
"We were getting ready for fishing and sitting on the couch," Baker said on the episode. "Everything was great. [Friend] Pete [Willey] was sitting next to me [and] we were having a helluva time."
That is, until things started heating up -- literally -- when flames appeared on Baker's body.
"It was the damndest thing I've ever seen," Willey remembered. "Frank was freaking out and making me freak out."
Baker started panicking and tried everything to stop his body from being burned.
"I had no idea what was taking place on my body -- none," he said.
Baker and Willey somehow put out the flames and got to a doctor. But the diagnosis was as shocking as the sudden flames that engulfed his body.
"The doctor called, and said, 'Frank, this burned from the inside out,'" Baker said.