SEASON FINALE

AS SARAH AND LUC PLAN THEIR VOWS, A SURPRISE GUEST SHAKES THINGS UP IN THE WALKER FAMILY, ON THE SEASON FINALE OF ABC'S "BROTHERS & SISTERS"

"Walker Down the Aisle" - As Sarah and Luc's nuptials approach, plans go horribly awry and the Walkers learn several surprising lessons about the real meaning of family, on the Season Finale of "Brothers & Sisters," SUNDAY, MAY 8 (10:01-11:00 p.m., ET), on the ABC Television Network.

"Brothers & Sisters" stars Dave Annable as Justin Walker, Sally Field as Nora Holden, Calista Flockhart as Kitty Walker, Rachel Griffiths as Sarah Walker, Luke Macfarlane as Scotty Wandell, Gilles Marini as Luc Laurent, Matthew Rhys as Kevin Walker, Ron Rifkin as Saul Holden and Patricia Wettig as Holly Harper.

Guest starring are Balthazar Getty as Thomas Walker, Kerris Lilla Dorsey as Paige Whedon, Maxwell Perry Cotton as Cooper Whedon, Mark Ricks as Evan McCallister, Marika Dominczyk as Tyler Altamirano, Richard Chamberlain as Jonathan Byrold, Isabella Rae Thomas as Olivia, Ryan Devlin as Seth, Beau Bridges as Nick Brody, Sonia Braga as Gabriela Laurent, Trieste Kelly Dunn as Lori Lynn, Bradley White as the Minister and Garrett Backstrom as Andrew.

"Walker Down the Aisle" was written by David Marshall Grant and David Babcock and directed by Ken Olin.

"Brothers & Sisters" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. This program carries a TV-PG,D parental guideline.

This episode will be available on ABC.com the day after airing on the network for users to watch online.