The opening voiceover declares that it is "February 17," and the setting is the suburbs of Philadelphia, yet kids are eating lunch outdoors (when it should be too cold to do so); there is a palm tree in the schoolyard (palm trees don't grow in Pennsylvania); the shrub and trees have leaves (they should have lost them for the winter); and the grass is green (it should be brown because it's winter).
Adam and Dana are going to the Weird Al concert at that Mann Music Center. But the Mann Music Center is an outdoor venue in Fairmount Park in Philadelphia. They do not have concerts in February.