This is the first appearance of Luck Hari as a waitress at the cafe. She will become one of the most recognizable employees to interact with the cast.
The celebrity caller in this episode is Christine Lahti (Laura) who calls in to tell Frasier (Kelsey Grammer) and Niles (David Hyde Pierce) about her sisters and how she lost her hair.
When Frasier and Niles are fighting, Frasier says, "We are psychiatrists, not pugilists." This is a play on the Dr. McCoy phrase in many of the original Star Trek episodes, "I'm a doctor, not a ..." Kelsey Grammer played a star ship captain in Star Trek: The Next Generation Cause and Effect (1992).
The dance routine between Niles and Frasier of their school musical shows tribute to the dance routine of Laurel & Hardy in Way Out West.