SWITCHED AT BIRTH

Kathryn questions why Regina isn't joining in the lawsuit against the hospital. Meanwhile, Daphne goes out with Liam and encounters new difficulties dating a hearing person; and Bay finds a kindred spirit in Ty, who hails from Daphne's old neighborhood.

Bay becomes curious about her birth father. Meanwhile, Kathryn deals with her nosy neighbors; and John takes an interest in Daphne's basketball games and meets Melody (Marlee Matlin), a friend of Regina's who works at Daphne's school.

Kathryn hosts a fund-raiser for Buckner Hall, and Toby's band provides the evening's entertainment. Meanwhile, Daphne is crushed to find out that she's been dating Bay's ex-boyfriend; and John and Melody's new friendship makes Kathryn uneasy.

Kathryn and John insist on having Ty over for dinner after they learn that Bay has been seeing him secretly. Elsewhere, Toby asks Daphne and Emmett to help him win a poker game, which puts Daphne in an uncomfortable position.

Daphne struggles to keep up with a cooking class at Buckner Hall. Elsewhere, Bay and Emmett grow close while looking for clues about Bay's biological father; and Toby and Wilke try to break into school to swipe a test.

Bay believes she's uncovered her birth father's identity online, so she asks Daphne and Emmett to accompany her when she meets him. Meanwhile, John and Kathryn suspect Regina is to blame for the hospital's recent actions regarding their lawsuit.

Regina pleads with Daphne to keep her secret about what was in the guitar case, but soon the hospital board reveals info that forces Regina to spill everything. Meanwhile, Bay and Emmett's bond intensifies.

Bay and Daphne receive cars from John and Kathryn on their birthday, but Daphne is uncomfortable accepting such a lavish present. Meanwhile, Regina stops hiding out at Melody's place; and Bay and Emmett's secret romance continues to flourish.

Bay is shocked to meet her biological father (Gilles Marini) at her school's art show, and then she introduces him to her parents and Daphne. Meanwhile, Daphne opens up to Emmett regarding her feelings about him, forcing him to make a difficult decision.

Daphne follows Emmett to a music festival, hoping to get some private time with him. Elsewhere, John requests that Regina be present when Bay sees Angelo again; and Kathryn secretly talks to a nurse who could assist in the lawsuit against the hospital.

Bay fails to dazzle Melody with her American Sign Language skills. Elsewhere, Kathryn contemplates writing a book about her baby-swap experience; Daphne befriends an old pal of Bay's; and Wilke and Toby seek to make a profit by selling phony IDs.