Bay looks happy. Who has she run into on the summer return of Switched at Birth? "Mother and Child Divided" is the 18th episode of the show's second season.
Added:

Switched at Birth Season 2 Episode 11 Quotes

Kathryn: There are a lot of ways to build character, suffering is not the only one.
Regina: I don't consider a high school junior not having a credit card suffering.

I know I shouldn't be saying this, but it's been so nice having the two of them to ourselves the past six weeks.

Kathryn