McDonald's spent $100 marketing the Arch Deluxe in 1996. It contained peppered bacon, lettuce, tomato, cheese, onion, ketchup and secret sauce, but failed masssively.
The McHotDog was just a basic hot dog. But consumers preferred ordering burgers, and the item was pulled.
Sonic's Pickle O's
Sonic introduced fried pickle bites in 2004. Unfortunately, they were unpopular with customers and were discontinued later.
The McLean burger was introduced in 1991 and advertised as 91% fat-free. McDonald's replaced fat with seaweed and water. Customers didn't like the taste.
The McDLT was introduced in the 1980s. The burger came in a styrofoam container that kept the lettuce and tomato separate so the veggies stayed cool. The item was popular but then was squashed by environmental concerns about the packaging.
The Friendly's grilled cheese burger melt featured a burger patty sandwiched between two entire grilled cheese sandwiches. It had 1,500 calories. The item was pulled after a brief stint in 2010.
Burger King's Burger Buddies
The Burger Buddies were sliders that came in a carton akin to White Castle. The small patties were rumored to slip through the fast food chain's famous broilers, leading to their demise.
Taco Bell's Bell Beefer
The Bell Beefer was essentially a sloppy joe made from Taco Meat. Customers complained that it fell apart, and Taco Bell eliminated it in the 1980s. There's a Facebook group pleading for its return.
Super-size was a hit for a decade until independent filmmaker Morgan Spurlock's documentary Super Size Me was released in 2004. The film showed Spurlock eating nothing but McDonald's for a month, and how it negatively affected his body.
It was a PR disaster for McDonald's. By the end of 2004, super-sized portions were gone forever.