Third MacGyver episode to end on a hint or suggestion of the otherworldly or paranormal.
At the end, speaking of the blue glow, the sheriff says, "...there are no hydro lines out there..." The principal source for electricity in British Columbia is the "BC Hydro and Power Authority". In that area electricity is called hydro because early electric power plants in British Columbia were all hydroelectric.
Yet another incident with a guest star who also starred in Stargate: SG-1, along with Richard Dean Anderson. In this case Christopher Gaze, who played Sternwise. On SG-1 he played the character of Tevaris.