Product Placement Blog ➞ PorschePorsche Vintage Poster in Seinfeld Season 7 Episode 9 “The Sponge” (1995)December 10, 2019 Sergey TV Show Hi! On Tuesday, December 10, I analyzed a TV Show and product placement was spotted: Porsche Vintage Poster in Seinfeld Season 7 Episode 9 “The Sponge” (1995).Here are 2 image(s) below: