The Jeffersons - Season 8 Episode 19 Guess Who's Not Coming to Dinner?
Overview: Louise, George, Tom and Helen plan a surprise party for Florence just to let her know how much they appreciate her friendship. However, when Florence walks in on the planning stages Tom makes an excuse and tells her she's invited but only to serve the meal. This prompts Florence to drown her sorrows in a $500 bottle of wine George just bought.