The Andy Griffith Show (1960)

S4E21 The Shoplifters

Andy and Barney are on a mission to catch a thief who's been targeting Ben Weaver’s store. In a quirky attempt to catch the culprit, Barney decides to disguise himself as a mannequin. However, he mistakenly accuses a sweet elderly lady, earning laughter from the townsfolk for yet another of his mishaps. Despite the mockery, Andy remains supportive, convinced that Barney may be close to uncovering the truth behind the thefts.