(Yelling at some snowball-throwing kids.)
Cliff: This is Dr. Huxtable! I delivered some of you! I'm a parent and a taxpayer! And I am probably the only adult who will sue little children!
Carl Anthony Payne II makes his first appearance as Walter "Cockroach" Bradley in this episode.
You can see the number 10 on the front of the door to their home.
Phylicia Ayers-Allen is now credited as Phylicia Rashad.
The voice of Earle Hyman, who plays Russell, can be heard on the MacBeth record. During the season four episode, "Shakespeare", Hyman (as Russell) again demonstrated his prowess at reciting Shakespeare.
There are real life study aids for literature called "Cliff's notes", which "Cleland notes" are undoubtedly taken after.