Blossom to Soap
6 connections
Blossom
The Fresh Prince of Bel Air
The Fresh Prince of Bel Air's Fresh Prince & Hillary Banks both appeared in separate episodes of Blossom.
The Jeffersons
The Jefferson family appeared on the final episode of Fresh Prince where they purchased the house from the Banks family.
All in the Family
The Jeffersons' George Jefferson was the second All in the Family supporting character to spinoff onto his own show.
Maude
The first All in the Family spinoff character was Maude. Maude was Edith Bunker's cousin.
Hanging In
Hanging In (and Maude's) Maggie Gallagher crossed over onto Soap for 10 episode
Soap
Maggie Gallagher from Hanging In crossed over onto Soap