The Jeffersons - Season 4 - Eps 23: Jenny's Thesis
Jenny needs a topic for a thesis that she's writing. However, her idea could lead her into danger when she decides her topic will be street gangs. This leads her to go to Harlem and meet Marcus', unknown to her Tom and George are following her.
About The Jeffersons

Title: The Jeffersons
First Air Date: 1975-01-18
Last Air Date: 1985-07-02
Status: Ended
Rating: 7.359/10 (from 110 votes)
Language: EN
Seasons: 12
Total Episodes: 248
Network: CBS
Genres: Comedy, Family
Production Companies: The NRW Company, Embassy Television, Ragamuffin Inc., TAT Communications Company
Synopsis
Sitcom following a successful African-American couple, George and Louise “Weezyö Jefferson as they “move on up” from working-class Queens to a ritzy Manhattan apartment. A spin-off of All in the Family.
Cast

Isabel Sanford
Louise Jefferson

Sherman Hemsley
George Jefferson

Roxie Roker
Helen Woodroow Willis

Franklin Cover
Thomas "Tom" Willis

Paul Benedict
Harry Bentley

Marla Gibbs
Florence Johnston