Product Placement Blog ➞ Black Mirror TV ShowEckō Unltd. Men's T-Shirt in Black Mirror S06E04 “Mazey Day” (2023)June 15, 2023 Sergey TV Show Hi! On Thursday, June 15, I watched a TV Show and product placement was spotted: Eckō Unltd. Men’s T-Shirt in Black Mirror S06E04 “Mazey Day” (2023).