After receiving a tape of his new tourism promo, Frasier tells a reluctant Freddie, "Oh come on, you can spare a couple of minutes to check out your old man's debut as a spokesman." This wasn't Frasier's first time as a TV spokesman. In season 2's "The Candidate," he did a political promo for Seattle mayoral candidate Phil Patterson.
Frederick is Jewish. Martin keeps claiming he decorates the apartment for Frederick. Frederick, being Jewish, would not be celebrating Christmas.