Mulder and Scully uncover a chilling link between a UFO cover-up and secret government experiments.
In pre-Revolution United States, the Sliders encounter Arturo's double, a sheriff planning a royal execution.
Vinnie tries to avenge his mother's mugging but is devastated that she hasn't forgiven him for his "criminal" existence.
Jessica's nephew and his wife enjoy housesitting until they discover the body of a peg-legged murder victim on the living room floor.
The discovery of crack dealers in his hometown forces MacGyver to relive a firearms incident from his childhood.