"Chemistry Hero" (January 31, 1989 Durham, North Carolina) A chemistry student accidentally creates an explosive compound, and his teacher fails to rush the smoking beaker out of the building before it explodes in his face; "De-Fib Phone" (June 25, 1989 St. Louis, Missouri) An ER nurse helps a man use a home defibrillator for the first time ever when the man's wife has a massive heart attack while waiting for a transplant; "Amtrak" (January 4, 1987 Chase, Maryland) An Amtrak passenger train crashes into three Conrail locomotives.