Derpy and Pinkie Pie have an argument over which is better: cupcakes or muffins. AJ solves it; why not put them together? Later, Twilight advises the two to go into business together, selling these mupcakes- er, cuffins...
Prejudice has moved from interracial couples to gay couples. Lyra and Bon Bon get married and taste this head-on. Applejack starts coming out to her family and friends, with Twilight's help. Derpy's children are adopted.
Mr and Mrs Cake are killed in a gas explosion in Sugarcube Corner, leaving the twins orphans. Pinkie Pie takes it upon herself to raise Pumpkin and Pound Cake so they aren't separated in foster care.