Although Zapp Brannigan's karaoke song "Leela" is a spoof of "Lola", his performance in this episode is a parody of William Shatner's spoken word versions of many songs.
First time we see Zoidberg out of his shell.
In a flashback to when the crew arrives back home after a cruise on the Titanic, Bender can be seen throwing away gold bracelet. He got this bracelet from the Countess on the Titanic in A Flight to Remember (1999). It is eventually revealed, that the bracelet is fake and Bender is devastated.