Cliff, Elvin and Martin recite the cheer from "The Day the Spores Landed", "All for one, one for all and three, four, five!".
Cliff: (about being romantic) I've got five children...I don't need to prove anything to anybody!
In this episode, Olivia tells Dr. Huxtable a story about a present. Just like the story Dr. Huxtable told her about her present in the episode called "The Birthday Party".