Seattle's opera conductor believes Frasier is gay and starts wooing the doctor with lavish gifts and invitations to high-society parties.
The twins are finding it hard to make friends at their new school, but do get on with the school geeks, Max and Tapeworm. When the rest of the kids find out Zack and Cody live in the hotel they suddenly want to hang out with them, but things get out of hand and the twins have to put a stop to it. They decide Max and Tapeworm are their only genuine new friends.
When Maddie, who runs the hotel kiosk, agrees to help out London (the owner's daughter) by going on a double date with her, she ends up pretending that she's rich too with disastrous results.
The hotel fails an inspection, largely because of Zack and Cody's bad behaviour. The inspector ends up running the hotel very strictly, so the twins try to get her fired to get the staff's jobs back and make up for what they did.
Cody's upset Zack is better than him at everything. Zack gets to the final of a dance competition, then is injured so Cody pretends to be him. They get caught and learn an important lesson.