Change Your Underwear Twice A Week

Of course, many people are familiar with some variation on the film strip, even if filmstrips were being phased out in favor of videotapes (Gothamist's personal favorite: The 1970s film about menstruation, where an excited girl yells "I got it!" and then her parents say to each other proudly, "She go it!" and the younger brother says, "Got what?" Bwa ha ha.). The educational film are also a frequent subject of homage on The Simpsons (see a list of Simpsons educational films here on this page about Troy McClure, if you scroll down) - "Two Minus Three Equals Negative Fun."
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