A test pilot who may have been flying aircraft made with alien technology disappears, and Mulder and Scully must defy their own government to find the truth.
Clark must stop a kryptonite-infected man who turns the elderly and the sick into ashes, and Lex's father's prodding reveals Lex's investigation into Clark and his family.
Mulder and Scully visit a nursing home to investigate a nurse's claim that she was attacked by supernatural forces while on duty.
Penhall goes undercover as a high school baseball jock to protect the school's pitching ace, a mobster's son who's unknowingly the object of a vendetta.
MacGyver falls into a coma and is hospitalised after a fall during a Museum Heist; He is reunited with his recently departed grandpa Harry.