Eight years after McDonald’s Mulan Szechuan Sauce emerged as the throwaway gag that could, evolving from a few offhand jokes in Rick and Morty’s Season Three premiere into two separate ...

More than a few McDonald's sauces have come and gone over the years. These are some of the most popular discontinued sauces.

McDonald’s is sorry, you guys. The fast-food company promoted a limited release of Szechuan Sauce tied to the cartoon “Rick & Morty,” and show fans arrived at select locations in droves on Saturday.