When Christy and Adam get into a car accident, Bonnie is hurt to discover she is neither of their emergency contacts. Wendie Malick returns as Adam's ex-wife, Danielle.
When a major piece of evidence is mysteriously destroyed, new rumors begin to swirl as to who was really behind Jason's murder. Tensions build when Jughead's father returns to the fray and it's revealed that he and Fred have some unresolved issues between them. Meanwhile, Veronica takes matters into her own hands after her fight with Hermione. Cheryl approaches Betty with an unexpected proposal that leaves Betty torn.
When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room.
Greg stirs up an old family feud when he finds money he accused Matt of stealing from him when they were younger. Also, Joan takes offense when Heather writes off her forgetfulness as old age Colleen confronts a mechanic she believes is sexist and Tim makes the kids go through an impromptu earthquake drill to see if they could figure out how to get home without money or cell service.
Sandra teaches a pit bull self-control. Fred and Carrie attempt protesting for cyclist rights. Lisa and Bryce sell instant garbage. A couple explains alcohol to their adult son. Fred discovers models.
Jake and Vanessas messy relationship poses a threat to the campaign, forcing Olivia to take action. Meanwhile, a game-changing revelation about the conspiracy surrounding Francisco Vargass assassination is revealed.
Dr. Reese is contacted for help by a troubled teen in a psychiatric facility and Dr. Manning tries to help parents make a decision about their comatose daughter's surprise pregnancy. April begins to deal with repercussions from her personal life. Meanwhile, Dr. Choi and Dr. Rhodes work to save both a young girl from Ecuador who collapsed mid-flight, as well as her mother, who made great sacrifices for her daughter.
Will and Katie attempt to make contact with a new arrival in the bloc Bob has some questions for the Bowman family.
Joe, Sal, Q and Murr act frosty while working the ice cream counter. Later they take Joe's dogs for a romp in the park with some help from strangers. Tonight's big loser watches his blood boil while performing with a gospel choir.
Troy lays down a bet against Chase and Holden. Daniel's bragging wears Dwaine down. Gunner causes trouble for Bruce. Gee takes charge on Frenchy's boat.
Nick Cannon and Trevor Jackson battle it out in games: "Let Me Holla," "Hood Jeopardy," "R&Beef" and the "Wildstyle" battle. DRAM performs.
J.K. Simmons follows Titanium Rex around in hopes of playing him in a movie about the League. Meanwhile, the recently-escaped villains form their own group, the Injustice Club.
A night out leaves an innocent man dead. When solid leads hit dead ends, detectives discover a motive they never expected.
Now in jail, Ben is forced to reckon with his criminal past, while the team at Anderson Vaughan Investigations must come to terms with getting in bed with the bad guys.
Someone trying to punch Logan in the face accidentally punches Cody. Chip attempts to sort it out.
Richard, Jackson, April and Catherine tackle a grueling trauma case intensified by hospital politics. Amelia finally faces her feelings about Owen, and Meredith gets caught between Nathan and Alex over a patient.
An investigation into weapons trafficking becomes personal for Tommy when an old friend becomes connected to the case. Also, Lockhart demands to see results from Kyles investigation into Franks actions, leading Frank to reveal surprising information to his trainee
The gang participates in a school event that combines both the academic and athletic decathlon.