Family therapy reveals that Emma has been relying on her parents and siblings to speak for her; the Johnstons vow that they will no longer come to Emma's rescue, so it's sink or swim when she has to give a speech in front of a huge crowd.

It's prom season and Liz and Anna are ready to party, with dresses bought and dates lined up; Amber's turning the big 4-0 and the family devises a surprise trip to Hilton Head, S.C., to celebrate.