Product Placement Blog ➞ NikeNike Sneakers Worn by Jason Alexander as George Costanza in Seinfeld Season 4 Episode 8 “The Cheever Letters” (1992)December 3, 2019 Sergey TV Show Hi! On Tuesday, December 3, I analyzed a TV Show and product placement was spotted: Nike Sneakers Worn by Jason Alexander as George Costanza in Seinfeld Season 4 Episode 8 “The Cheever Letters” (1992).Here are 5 image(s) below: