Trivia / Little House On The Prairie S 5 E 20 Mortal Mission

• The Cast Showoff: Ketty Lester (Hester Sue) shows her singing skills in the final scene as her character sings her hearts out to comfort the present after the crisis is over, and everyone is exahausted and mourning for lost loved ones.
• You Look Familiar: Matt Clark (Seth Berwick) had previously appeared in the similarly-plotted season 1 episode "Plague" as Eric Boulton, who also lost his family to a deadly outbreak.