V-42 stiletto V-42s procured by the U.S. Navy were the only known V-42 knives sent to a unit or branch outside the First Special Service Force. The V-42 was depicted on the badges of the Canadian Special Operations Forces Command, Canadian Forces' Joint Task Force 2 and one of the United States Army Special Forces badges. W. R. Case & Sons Cutlery Co. manufactured a post-war version from 1989 until 1993. The V-42 weighs , with either a or long blade and handle, for a total length of approximately . Its features included a double hollow-ground, stiletto-type blade equipped with a thumb-imprint
Lisa Gets an "A" of the episode. Following its home video release, "Lisa Gets an "A"" received generally positive reviews from critics. Warren Martyn and Adrian Wood of "I Can't Believe It's a Bigger and Better Updated Unofficial Simpsons Guide" described it as "A fabulously defining moment in Lisa's life, showing what happens if you let your guard slip." They continued by writing "What makes this work even more is the false ending which shows that everyone in Springfield is as adept at predicting Lisa's morality as the viewers are." They concluded their review by calling it "An absolutely inspired piece of comedy." Colin