Product Placement Blog ➞ Audio Equipment & ElectronicsSony Radio / Cassette Player in Stranger Things S04E09 “Chapter Nine: The Piggyback” (2022)July 1, 2022 Sergey TV Show Hi! On Friday, July 1, I watched a TV Show and product placement was spotted: Sony Radio / Cassette Player in Stranger Things S04E09 “Chapter Nine: The Piggyback” (2022).