The Andy Griffith Show (1960)

S5E4 The Education of Ernest T. Bass

Ernest T. Bass comes back to Mayberry, determined to learn enough to win over his girlfriend's heart and secure a marriage proposal. However, upon meeting his new instructor, Helen, he quickly becomes infatuated with her instead. This puts Andy in a tricky position, as he must assist Helen in providing Ernest with the essential knowledge he craves, including the reality of his feelings and the true nature of his affections.