Product Placement Blog ➞ 3M3M Littmann Stethoscope in Grey’s Anatomy S17E12 “Sign O’ the Times” (2021)April 16, 2021 Sergey TV Show Hi! On Friday, April 16, I analyzed a TV Show and product placement was spotted: 3M Littmann Stethoscope in Grey’s Anatomy S17E12 “Sign O’ the Times” (2021). Here are 1 image(s) below: