Drake holds a 12-string guitar at the radio station. When he gets home directly, he opens his case and pulls out a regular 6-sting guitar.
Movies listed on the Premiere Theater marquee: "Le Petit Fromage," "Cave Mom 2," "Kid President," "Ghost Monsters," "Headless Honeymoon," and "The Manipulator." Inside the theater, however, a "Ghost Monsters" poster appears as a coming attraction, along with: "Total Chaos," "The Long Sleep," and "Bathtub of Blood." "Bathtub of Blood," which does not appear on the marquee, also hangs inside as a current attraction.
The spilled milk on the counter top disappears during dialogue about a squirrel and a pine cone.
When Drake and Josh are in class with fliers of Drake all around, their teacher says they are going to talk about why there is no East Virginia. When he pulls down the map with the huge poster of Drake, however, you can see it's a map of Europe, not America.