Sam Drucker tries to sell Oliver sideburns salve which gives your sideburns the look of leather. He says he sold a lot of it during the Rudolph Valentino days.
Lisa's dishwasher gets stuck in the "on" position for three days, causing all of their dishes and silverware to shrink to doll-size.
The slogan inside the toupee that Ben Hanks gives Sam Drucker says, "Keep young. Keep Ben Hanks in office." Hanks tells Sam that wearing the hair makes him look like a young Lew Cody.
Eb jokes about the size of the shrunken dishes, asking rhetorically whether they were made for "Tiny Tim." The allusion to the Charles Dickens "Christmas Carol" character of that name is, of course, part and parcel of Eb's comment, but, for a TV audience in 1968, the name would readily evoke a shout out to the inimitable performer Tiny Tim who rode a crest of popularity from his multiple appearances that year on Rowan & Martin's Laugh-In (1967) and The Tonight Show Starring Johnny Carson (1962).
This is the eleventh of 15 appearances Robert Foulk makes in the series, and the last time he plays Hooterville farmer Roy Trendell; in his last four appearances, all in season six, he also plays a farmer, but farmer Wheeler, the father of Eb's girlfriend Darlene.