Victor joins the family; Crosby and Jasmine celebrate great news.
Ryan returns to make amends; Kristina goes to bat for Max; Joel and Julia struggle with their decision to adopt.
Drew's crisis brings Mark back into Sarah's life.
Hank and Sarah go on a proper date; Renee falls on hard times; Kristina makes a bold move.
The Bravermans rally around Christmastime to get Kristina through a rough patch; Sarah and Hank turn a corner.
Creator Jason Katims and the Braverman's of ABC's "Parenthood" sit down at PaleyFest 2013 to discuss a potential Season 5, the big cancer storyline of Season 4 and the dynamic of the cast and crew from writers room to final edit.