Product Placement Blog ➞ BicyclesKlein Bike in Seinfeld Season 3 Episode 12 “The Red Dot” (1991)December 3, 2019 Sergey TV Show Hi! On Tuesday, December 3, I watched a TV Show and product placement was spotted: Klein Bike in Seinfeld Season 3 Episode 12 “The Red Dot” (1991).