Product Placement Blog ➞ Mare of Easttown TV ShowOnn. Television in Mare of Easttown S01E07 “Sacrament” (2021)May 31, 2021 Sergey TV Show Hi! On Monday, May 31, I watched a TV Show and product placement was spotted: Onn. Television in Mare of Easttown S01E07 “Sacrament” (2021).