On an All in the Family episode, Archie and Edith Bunker got new next-door
neighbors, Michael and Gloria’s best friend, Lionel Jefferson (played by Mike
Evans) and his parents, mother Louise Jefferson (Isabel Sanford).and his
father,George Jefferson (played by Sherman Hemsley) who did not appear
on-screen until a later episode in 1973.
The Jefferson family later moved to an apartment in Manhattan which resulted
in their own show The Jeffersons on CBS from 1975-1985.
Archie Bunker (Carroll O’Connor) with the Jeffersons