Daphne leads her classmates in a protest against the closing of their school, and Bay's efforts to join them are met with resistance. The episode is presented entirely through American Sign Language.

Kathryn becomes nostalgic when she realizes that it's been five years since the switch was discovered and the two families started living together. As she searches for memories, Kathryn discovers a long buried family secret – stretching all the way back to the switch – that changes everything. Daphne competes against Mingo for a six-week paid internship in sports medicine. Bay is celebrated for her tattoo work in a magazine spread, but her struggle to prove herself as an artist to John threatens to destroy their relationship. Toby meets Amelia, a young woman with Down Syndrome who changes his perception about his son's future. Melody, Emmett and Travis make some major decisions about their lives, and Regina takes a chance on love.

Bay and Daphne arrange an ASL zombie movie shoot for Emmett's birthday. Meanwhile, Emmett wrestles with whether to tell Bay about his betrayal; and Regina has doubts about assisting with Kathryn's book.

A look at what would have happened if Regina had revealed the switch when she first uncovered it finds both girls being raised by the Kennishes: Daphne has a cochlear implant and is spoiled and manipulative, while Bay's a top scholar who overcompensates.

Graduation day has arrived, but Daphne is distracted by the impending hearing over her parole violation.

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.

A mysterious young woman has Bay and Daphne flooded with memories of their deceased father Angelo, and they must decide if they should let her into their lives. Toby is caught between his mother's wishes to baptize his son Carlton and his wife's feelings about faith. Melody asks her sons to make amends so the family can be together for her birthday, but it might be too late.

Bay is excited to hold her first art show. Daphne interviews for an internship that would bring her closer to Quinn, causing friction with Mingo.

Toby prepares for his wedding, and his parents contemplate being truthful with him. Meanwhile, Bay seeks a long-distance romance with Ty in the face of his redeployment; and Daphne is forced to own up to her mistakes.

The Carlton students learn the outcome of their protest. Meanwhile, John's campaign concludes abruptly; Emmett contemplates telling Bay about Daphne and Noah's kiss; Lana's labor begins; and an inebriated Regina turns up at Angelo's door.

As the Kennish and Vasquez families prepare to celebrate Christmas in their traditional ways, Bay and Daphne find themselves living each other's lives as if the switch never happened on an all-new holiday-themed episode.

Bay returns from a trip abroad with a new boyfriend, but she must face issues from her past concerning Emmett and Angelo. Meanwhile, Daphne seeks employment help from Kathryn; and Regina impulsively makes a big decision.

Kathryn's mother visits the family and forms a bond with Daphne, yet Daphne still feels a strong connection with where she was raised. Meanwhile, Bay and Regina look into Angelo's disappearance; and Toby realizes he can only please Simone if he changes.

Bay organizes Deaf Day at the amusement park, and Emmett assists her with a special movie screening. Meanwhile, Daphne's hit with a surprise when she runs into Chef Jeff; and Toby tries to help Nikki deal with a dark part of her family history.

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.

Emmett photographs Bay and Daphne's blended family for a school assignment. Meanwhile, Regina gets acquainted with an art-gallery owner; Daphne questions Simone's trustworthiness; and Bay and Emmett divulge their true feelings to each other.

Intent on making their relationship work, Bay surprises Emmett with a visit to Los Angeles while he's shooting his first big class project. Daphne is distraught with her performance in school and the idea of letting Bay and her family down. Kathryn and Toby get the chance to have their musical produced. Meanwhile, Regina is shocked by Eric's reaction to a buyout offer on the coffeeshop.

Daphne takes a volunteer job at a clinic for extra credit and comes face-to-face with her old mentor, Dr. Jackson. While eager to mend fences with him, she grows alarmed when it becomes obvious he's having trouble properly treating his patients. Mingo leads the annual "Kangaroo Krawl," but Daphne sees his foolhardy behavior as a reaction to the regretful costume party incident. Bay finds Noelle is plagiarizing her work and uses the discovery to negotiate her own chair. John and Kathryn make an effort to rekindle their romance. Regina is put in a precarious situation when she decides to expand her business.

A private matter goes public for Bay, leading to an investigation by the university.

Bay adjusts to the changing nature of her relationship with Angelo; Daphne considers taking the next step with Travis.

In an effort to finish some last minute planning for Lily's baby shower, Regina asks Bay to spend some time with Will.

In the first-season finale, the trial ends with a surprising outcome. Meanwhile, Bay leaves with Zarra and doesn't inform anyone; and Daphne and Jeff's romance is revealed.

With tensions running at an all-time high, the Black Student Union takes a stand against the university administration until their demands are heard. Told in three chapters from the varying perspectives of Sharee, Iris and Chris, the students deal with their frustrations in different ways. Iris pledges to continue her hunger strike until the students responsible for a racist display outside the Black Student Union are expelled, but her commitment has consequences on her health. Sharee faces the pain of her own past as she tries to gather signatures and rally more students to get involved. Chris is torn between wanting to dazzle several baseball scouts at an upcoming game and standing with his fellow students to show solidarity.

Daphne's correspondence with Quinn starts to affect her relationship with Mingo.

In the second-season opener, a newly wealthy Angelo buys expensive presents for everyone. Meanwhile, John and Kathryn contemplate entering the political arena; Bay faces cheating accusations; and Daphne lands in hot water because of Jeff.

Returning from London for a visit, Toby and Lily reveal their plans to get married in the Kennish backyard. But a fight before the wedding may tear them apart before they can say "I do." Regina must decide whether to reveal her relationship with Luca to the family. When she least expects it, Bay runs into Tank again.

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.

Daphne feels uncomfortable around Travis; Kathryn tries to get closer to Bay by volunteering to work at Carlton.

Daphne struggles to decipher Jeff's signals. Elsewhere, Bay and Zarra try to find out who's ruining their street art.

Bay must testify in Emmett's custody case, and Emmett's actions threaten to end their relationship. Elsewhere, a nervous Daphne prepares for a basketball tournament between her current and former teams; and Kathryn has a meeting with a New York editor.

Bay tries to figure out how she can pursue an art career. Regina invites Eric and his son to stay with her temporarily. Mingo asks Daphne to hang out. Meanwhile, Kathryn offers to help Travis with his English.

Daphne struggles with the speed and depth of her coursework.

Bay's current status may prevent her from qualifying for the Kansas City Artist Showcase.

Toby gets an unexpected visit from Nikki. Meanwhile, Bay and Daphne get ready for a big field-hockey game, and the rivalry between their team and the opposition intensifies; and Regina's connections to her old neighborhood prove beneficial.

John bonds with Nikki's mom while they help Toby move into his new apartment. Elsewhere, Kathryn goes to New York City to pitch an idea for a second book; Bay suspects that Tank has a crush on her; and Daphne worries about Sharee's home life.

Melody wants to put an end to Emmett getting bullied by Matthew. Meanwhile, Bay feels torn between her feelings for Emmett and Tank; and Daphne is determined to hunt down the individual who vandalized Regina's studio.

Daphne lashes out at Regina. Bay tries to mend her friendship with Tank.

Bay feels pressured to maximize her short time with Emmett when he comes for a surprise visit.

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.

Regina returns from rehab early to spend time with Daphne, who has bonded with her biological parents while Regina was away. Meanwhile, Bay runs into Ty; Travis proves to be a bad influence on Emmett; and Kathryn and Nikki don't see eye to eye.

With Mingo's help, Daphne holds a fundraiser to help support a sign-language school in Mexico. Bay is livid when a student starts using her art to sell crude t-shirts. Regina deals with the repercussions of digging through Eric's past. Meanwhile, Toby and Lily have to make difficult decisions about their future.

Toby and Nikki's relationship is strained by work and wedding planning, so Bay tries to help Toby find a release by booking a gig for his band. Meanwhile, Regina and Bay's messiness irks Angelo; and Jace introduces Daphne to a new adventure.

Daphne organizes a Senior Ditch Day, which gets out of hand. Bay secretly grapples with her mortality.

John brings Daphne and Bay to Chicago to tour Northwestern. Kathryn entertains baby Abby and Leo to help Regina.

In the series premiere of this drama, a hospital error that involved sending two newborns home with the wrong families is uncovered years later, when the girls are teenagers. The girls went on to lead very different lives: Artistic Bay Kennish (Vanessa Marano) grew up in a world of privilege, while athletic Daphne Vasquez (Katie Lecleric) was raised by a single mother and contracted an illness that left her deaf at a young age.

Bay is haunted by her breakup with Emmett and struggles to figure out where their relationship fell apart. Daphne's excitement about her new relationship with Mingo is hampered by her friends' opinion of him. John and Kathryn's new accountant has some bad news. Regina digs deeper into the story of Eric's ex-wife, and everyone is shocked by the news that someone is pregnant.

Daphne assists Angelo with a fund-raiser at the clinic. Meanwhile, Bay can't ignore MaryBeth's feelings for Tank; Sharee is tutored by Toby; and John and Katherine entertain John's old baseball buddy.

A shocking discovery is made by Bay and Emmett when they challenge Matthew's threat of blackmail. Elsewhere, Daphne gets a promising opportunity at the clinic, but she's concerned about how it may impact Campbell; and Kathryn's past haunts her.

Daphne and Sharee are horrified to stumble upon a racist display at the Black Student Union on campus. When the perpetrators are given minimal punishment, Iris starts a hunger strike in protest. Daphne receives an anonymous threat and Sharee grows frustrated with how the school is handling the situation. Emmett invites Bay to help him with an art project, causing friction with Travis who's already upset that John seems ready to replace him on the baseball team.

Bay discovers some surprising info about Ty's time in the military as she reconnects with him. Meanwhile, Toby and Travis covet the same position at John's car wash; and Kathryn and Daphne have trouble accepting Bay's desire to stay with Regina.

Iris urges Daphne to broaden her college experience by rushing a sorority. Bay inserts herself when Travis's popularity as a UMKC baseball player starts to affect his relationship with Mary Beth. Meanwhile, Toby plans to ask Lily to move in with him.

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.

Daphne and Mingo decide to introduce their parents at the Kennishes' grill night, only to find Mingo's father is the business manager John blames for his current financial problems. Bay has an awkward run in with Tank at the restaurant where he works.

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.

After a photo of Daphne and Mingo dressed up as their favorite singers at a college costume party goes viral, the pair find themselves caught up in a controversy that escalates into a discussion of race relations and free speech. Bay seeks a job at the tattoo parlor in town. Kathryn and John court a new shortstop for the UMKC baseball team, while Regina and Luca work on a class project together.

Kathryn's book is leaked before it's published. Meanwhile, Bay is skeptical about Emmett's new girlfriend; Daphne has an unexpected encounter at the clinic with someone from her past; and Regina feels a sense of guilt about her behavior.

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.

Melody hosts a tolerance retreat after tension builds between the hearing and deaf students at Carlton. Elsewhere, Kathryn's remarks during a radio interview may jeopardize John's campaign; and Regina gets some alarming health news.

Daphne searches for a patient she accidentally let leave. Meanwhile, Bay discovers that Emmett is dating again; Jorge wants Daphne to accompany him to a family gathering; and Regina and Angelo have a discussion about business.

Angelo becomes a member of the country club. Meanwhile, Regina begins a new job; Kathryn's position as a senator's wife leads her to have an awkward encounter; Daphne is unsure about Jace's feelings; and Bay uncovers new info about Ty and Mary Beth.

The news about Regina moving out from the guest house is a big discovery on its own, but it's definitely not the only one. As Kathryn and John discuss the future of their finances, they stumble upon the idea of endorsing products. Daphne joins an ambulance ride-along so that she can become her dorm's safety captain. Meanwhile, the reminder of Angelo's upcoming birthday only creates more tension.

After a night of drinking with her friend Tank (guest star Max Adler, "Glee"), Bay wakes to find that she doesn't remember all the details of the night. She tries to piece together the events of the evening, but as she speaks with different people about the situation, what really happened may not be so clear.