In this episode Ms. DiPesto (Allyce Beasley) falls in love with Rodney Dillon (Vincent Schiavelli), the technical assistant to the victim. In real life Beasley and Schiavelli were married at the time.
A clear reference to the novel- movie "Murder on the Orient Express" By Agatha Christie.
Ms. DiPesto says the mystery train is at Track 29. This is a nod to the lyrics from the song "Chattanooga Choo Choo".
Vincent Schiavelli Is dressed like his character Mr. Vargas from Fast Times at Ridgemont High.