In the Pie-lette, Chuck's grave was on a gently sloping hill, but in this episode and every episode thereafter, her grave is on a flat lawn.
The make-a-wish lady was run over from behind, but appeared face-up in the next scene.
When Olive lays the upper crust on the pie she is making for Chuck's aunts, the crimping around the edge "magically" appears.
At the end of "Bitter Sweet" the shop's sabotaged sign still reads "Pie Ho". At the beginning of this episode, set later the same night, the sign is repaired.
The monkey named Bobo is named as being a Bonobo. Bonobos, similar to a chimpanzee, belong to the apes. Bobo is, in fact, a capuchin monkey (Cebus apella - the tufted, brown, or black-capped capuchin).
When Ned frees Emerson from the car, he tells him that he suffers from a CO-Intoxication. However, Emerson is heavily coughing which is a typical symptom for CO2-Intoxications only. In addition, after being out of the car Emerson immediately recovers from the pathology. CO-Intoxication always needs oxygen therapy.