Two teenage girls' lives are turned upside down when they find out they were switched at birth.
Cast:Katie Leclerc , Vanessa Marano , Constance Marie , D.W. Moffett , Lea Thompson , Lucas Grabeel , Sean Berdy , Ryan Lane , Gilles Marini , Marlee Matlin , Ivonne Coll , Stephanie Nogueras , Max Adler , B.K. Cannon , Maiara Walsh , Rachel Shenton , Cassi Thomson , Daniel Durant
Daphne and Bay start their senior year at Carlton. Kathryn signs up for tap dancing class.
Both Daphne and Bay have to make things right in their lives. Kathryn invites Renzo over for dinner.
Bay helps her professor at an art show. Kathryn is anxious about Toby moving out. Regina finds a job opportunity with Wes, a real estate developer.
Daphne is invited to a barbecue in her old neighborhood. John surprises the family with an unusual purchase. Bay has conflicting feelings about Emmett. Regina and Angelo argue about money.
John and Nikki's mom bond while moving Toby into his new apartment. Bay rejoins the field hockey team to impress an art school recruiter. Kathryn pitches a new book.
The Kennish family throws a Murder Mystery Party while Daphne throws a 21st birthday party for Campbell. Bay learns the real reason Tank did not invite her to a frat party.
Kathryn and John's marriage is on the rocks. Daphne tries to help Sharee.
Daphne considers a career as a doctor despite her deafness. Bay struggles to complete an art assignment with her injured hand.
Daphne is invited to a fundraiser at the clinic. Bay and Tank's relationship suffers. Toby tutors Sharee.
Nikki unexpectedly returns from Peru. Bay and Tank arrange a prank against a rival field hockey team.
Bay enlists Tank's help to prove Emmett is being "catfished." Daphne rises above her fear to help someone from her past.
Bay is dealing with guilt over cheating on Tank, Emmett is being cyber-bullied, Regina is being harassed by East Riverside thugs, and Daphne turns to Angelo for support.
Bay and Emmett stumble upon a surprising discovery. John accidentally reveals the truth about Bay and Emmett.
Bay worries her friendship with Emmett is doomed. Daphne tries for a Latina college scholarship at Regina's urging.
Toby returns from Iceland with a new outlook on life. He decides to make a career change. Bay's letter from doesn't contain the news she was hoping for. Angelo helps Daphne with her stress about taking the SAT's by distracting her with a cooking session in the never before used kitchen of his restaurant. Regina's fear about the danger she feels the East Riverside project has brought to her family influences her to make a potentially dangerous decision on how to protect them.
After an accident, the Kennish-Vasquez family is crippled by grief and must make an impossible choice.
John brings Daphne and Bay to Chicago to tour Northwestern. Kathryn entertains baby Abby and Leo to help Regina.
Daphne lashes out at Regina. Bay tries to mend her friendship with Tank.
Daphne organizes a Senior Ditch Day, which gets out of hand. Bay secretly grapples with her mortality.
Daphne is going off the deep end and has everyone worried. Emmett plans the perfect prom but Bay feels she must take a stand which might mean no prom at all. Toby must choose between his new roommate Tank and a DJ gig.
Graduation day has arrived, but Daphne is distracted by the impending hearing over her parole violation.
Days before Christmas, Bay and Daphne switch places a la Freaky Friday in an alternate reality where the Switch never happened.