Justin Walker in "The Science Fair" from Season 4 of Brothers & Sisters. We love this guy and hope he manages to stay in school!

Holly deals with Dennis York in the January 10, 2009 episode of Brothers & Sisters. Will she finally get this guy out of her hair?

At least we're hopeful! We love Rebecca and Justin together.

A picture of Kevin and Paige in "The Science Fair." This January 2010 episode of Brothers & Sisters features Sarah's daughter.

What has Kevin so shocked? Viewers will need to watch "The Science Fair" to find out.