On one episode, Marla Gibbs acted out the same "hammering the bell" scene from four years earlier on The Jeffersons (1975).
Um, Madonna? I mean... Donna. I think we need to talk.
Donna Dalton: Sure, Aunt Mary, what about?
Mary: About your... your, um... difference.
Donna Dalton: Oh, I know, isn't it wonderful? I feel like a whole new person! I've never had this much fun in my entire life! I feel so good and...