Watch Brothers & Sisters Leap of Faith Season 4 Episode 16 Stream Online. Insecurities sometimes is one of the biggest problem a woman can have especially that when she thinks she will loss her man in an another woman. This is what happened with Sarah in the new episode of the series. It is entitled as the Brothers & Sisters Leap of Faith Season 4 Episode 16. Luc's visa issues cause monumental problems for Sarah, who not only struggles with her feelings for him, but worries that she might lose him again this time to another woman. Meanwhile, Rebecca wrestles with Justin and with herself to move on after a huge loss, Kevin discovers breaking up with Robert is hard to do. The episode will be aired on Sunday, February 28, 2010 10:01 PM-11:00 PM EST on ABC. So many situation, but one show. Watch Brothers & Sisters Leap of Faith Season 4 Episode 16 Stream Online Here.