Product Placement Blog ➞ Breakfast CerealsPost Honeycomb and Grape-Nuts Breakfast Cereals in Seinfeld Season 7 Episode 11 “The Rye” (1996)December 10, 2019 Sergey TV Show Hi! On Tuesday, December 10, I analyzed a TV Show and product placement was spotted: Post Honeycomb and Grape-Nuts Breakfast Cereals in Seinfeld Season 7 Episode 11 “The Rye” (1996).Here are 1 image(s) below: