Product Placement Blog ➞ 3M3M Littmann Stethoscope in Dynasty S04E17 “Stars Make You Smile” (2021)September 5, 2021 Sergey TV Show Hi! On Sunday, September 5, I analyzed a TV Show and product placement was spotted: 3M Littmann Stethoscope in Dynasty S04E17 “Stars Make You Smile” (2021).Here are 1 image(s) below: