Fall TV Preview

Parenthood's Jason Ritter Previews Mark and Sarah's Post-Proposal 'Set of Problems'

As the first promo for Parenthood‘s fourth season (premiering Tuesday, Sept. 11 at 10/9c) made abundantly clear, Sarah accepts Mark’s marriage proposal! Which means smooth sailing from here on out for the oft on-and-off couple… right?

Not quite, reveals Jason Ritter …READ MORE