M*A*S*H: In the season 10 episode "Communication Breakdown", Colonel Potter reads the strip to the camp, specifically to answer the question as to whether the title character and Daisy Mae were finally getting married.
The West Wing: In the second season episode "18th and Potomac", when President Bartlet finds out Mrs. Landingham bought a car at the sticker price, he calls her "Mammy Yokum".