The search for a missing member of the Walker family helps drive this year of the ABC drama, following the revelation that Rebecca (Emily VanCamp) isn't really a relative.

She then tries to redefine her relationship with Justin (Dave Annable), while Kitty and Robert ( Calista Flockhart, Rob Lowe) also face struggles after he decides to run for governor.

Sally Field, Rachel Griffiths and Matthew Rhys also continue to star. DVD extras: two "making-of" documentaries; deleted scenes; outtakes; interview with Field and co-star Patricia Wettig. *** (Not rated: AS, P)

Buy 'Brothers and Sisters': The Complete Third Season on DVD.