Hollywood Homely: In "Behind the Locked Door," Bonnie (Lynn Loring) says that her parents thought she wasn't beautiful, but her new husband says he thinks she is. After she dies, he looks at a picture of her and says she really was "plain as paper." Viewers might disagree.
In "Night Fever," the quite attractive Colleen Dewhurst plays a nurse who is considered hopelessly plain by everyone, including herself.
Memetic Mutation: The "Good evening" opening with Hitchcock's profile has been parodied countless times.
The theme song is also pretty popular amongst cs188 followers due to its usage in several of his poops.