It seems the Jeffersons had an unusually high number of these kind of episodes, compared to other sitcoms of its time.

The Breakup(2 parts) Season 2

The Grand Opening(2 parts) Season 4

George and Louise in a Bind(3 parts) Season 4

Homecoming(2 parts) Season 5

Now You See It, Now You Don't(2 parts) Season 6

The Arrival(2 parts) Season 6

The Jeffersons Go to Hawaii(4 parts) Season 7

Florence's New Job(2 parts) Season 7

The Separation(2 parts) Season 8

Florence Did it Different(2 parts) Season 8

The Strays(2 parts) Season 8

Laundry is a Tough Town(2 parts) Season 9

Death Smiles on a Dry Cleaner(2 parts) Season 9

Mission Incredible(3 parts) Season 10

Sayonara(2 parts) Season 11

Yeah, a lot.

That is a lot...thanx for that.

I get to see Sayonara Tonight for the first time since the summer of 88-lol