The last episode of "Brothers and Sisters" season 5 has been teased in a preview that airs following "For Better or for Worse". In the upcoming episode, Sarah and Luc's wedding is coming but there is possibility that the nuptials is scrapped.

According to the synopsis, plans go horribly awry and the Walkers learn several surprising lessons about the real meaning of family. Sarah, portrayed by Rachel Griffiths, is seen walking away from her wedding as more secrets are unraveled during her important day.

"Walker Down the Aisle", which will serve as season 5 finale, is set to air Sunday, May 8 on ABC. The show is still in the bubble as they network is yet to announce a renewal.