Product Placement Blog ➞ HotelsMarriott Marquis Hotel Poster in Seinfeld Season 6 Episode 22 “The Diplomat’s Club” (1995)December 9, 2019 Sergey TV Show Hi! On Monday, December 9, I analyzed a TV Show and product placement was spotted: Marriott Marquis Hotel Poster in Seinfeld Season 6 Episode 22 “The Diplomat’s Club” (1995).Here are 3 image(s) below: