Product Placement Blog ➞ 13 Reasons Why TV ShowSerato and Technics in 13 Reasons Why S04E09 “Prom” (2020)June 6, 2020 Sergey TV Show Hi! On Saturday, June 6, I watched a TV Show and product placement was spotted: Serato and Technics in 13 Reasons Why S04E09 “Prom” (2020).