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Season 4
Brothers & Sisters Season Four
Season
Episodes

4
24
Aired
September 27, 2009 – May 16, 2010
Premiere
September 27, 2009
Finale
May 16, 2010
Starring


SummaryEdit

CastEdit

Main CastEdit

Recurring / Guest CastEdit

EpisodesEdit

ProductionEdit

RatingsEdit

The season average for the show was once again down from the previous season, averaging 9.48 million viewers.