"Rick and Morty" Fans Will Now Finally, Finally Taste the Szechuan Sauce. [Image courtesy of TBS Adult Swim]. It was supposed to be so simple. Instead, it was a brand disaster. Late last summer, McDonald s attempted to connect with the youth market by resurrecting a long gone sauce recently referenced ."Rick and Morty" fans looking forward to Monday as their day for another chance to score McDonald s once discontinued Szechuan dipping sauce found themselves Are your sales so poor that you can t permanently add one extra sauce flavor to the menu? Now please bring back Hot Mustard sauce!.That s good news for the army of Rick and Morty fans who demanded a chance to try the tangy goo after Rick sang its praises on an episode of the show, and finally got their wishthen rioted when McD s ran out. Unlike the last time the burger chain brought it back, it looks like fans won t have to wait in a .We hit the jackpot today at McDonald s by running into one of the winners of the original Mulan .