When Mia's younger brother comes to town to try and convince her to sing lead in his band, the reunion is anything but sweet music. Meanwhile, Serrator once again attacks the city.
The coaches battle it out to win over the most outstanding voices for their team.
Jordan's date with Yvonne is put on hold when a former patient nearly dies in the cells.
When Kacey Simon gets kicked out of the 'Perfs,' she joins a new band called 'Gravity 5' and starts a rivalry between the two acts of who will be the number one group.
Nick looks into a theft and murder at a spice shop and discovers that it was owned by a Wesen, and that the thieves were after a dangerous drug. Meanwhile, Hank falls under Adalind's sway and Wu gets caught in the middle.
Dean is surprised when he gets a call from Garth asking for the brothers’ help on a case. Sam and Dean discover they are battling a Shojo, a Japanese creature sent to seek revenge on enemies. The worst part about fighting a Shojo? You can only see it when you’re drunk.
Gun Country: During hunting season, nearly every person the Maine Game Wardens encounter is armed, and many are dangerous. One team of wardens investigate the shooting of a turkey hunter that could be an attempted homicide while another team sets up a stakeout.
The Fringe team faces a case that appears familiar to Peter. Strangely, it takes place in this timeline.
Jessie thinks Luke needs strict discipline to keep him from misbehaving and enlists the help of fellow nanny, Samantha, who winds up being a dog nanny. Meanwhile, the kids break into Bertram’s cluttered room and Jessie makes them help clean it up after all of it fell and turned into a huge pile of Bertram's things which Ravi gets stuck in.
After Mom asks the kids to keep quiet while she prepares for her online knitting test, Phineas and Ferb create ninja outfits designed to hide the wearer from anyone who is not wearing them. Meanwhile, Candace becomes increasingly frustrated after she can’t find the boys and bust them. Across town, Dr. Doofenshmirtz invents the De-Handsome-Inator.
Danny is put in a difficult position when a gun linked to a robbery is brought in to the NYPD’s gun buyback program. He must decide to either arrest the suspect or follow the no-questions-asked rule.
Amanda and Ari set up a board meeting with Zetrov and prepare to take over the company. After a heated face-to-face confrontation between Nikita and Amanda, Nikita recalls what Amanda was like when she was first brought to Division. Meanwhile, Alex surprises Ari by showing up at the board meeting with an old and powerful friend.
Ike Evans, owner of Miami's most glamorous hotel, needs his 1958 NYE concert to be a smash. He makes a deal with mobster Ben Diamond to ensure success that threatens his life and family.
When Mom is out of Doonkleberries for her famous Doonkleberry pie, the boys set out to find some for her. Meanwhile, Perry and Dr. Doofenshmirtz find themselves across the ocean as Doofenshmirtz returns home to renew his Druesselsteinian driver’s license. Back in Danville, Candace is convinced she has discovered the answer to her busting problem.
When a miniaturized Chris gets covered with pollen and ends up sticking to a bee, he’s off into the remarkable world of the pollinators.
When a shortage in supplies has the rebellion about to fail, Spartacus tries his best to give his men hope.
When a lab tech is murdered in a case that has eerie similarities to a 1950's cold case, the CSIs get a glimpse into what goes on in the shadows of the lab.
Zak, Nick and Aaron return to Nevada City to investigate a hotel and caves.
Madge is getting ready for her wedding to Mohammed but after Mick and Michael find Mohammed in a sports bar, they think that he is not quite what he seems. Joyce believes that somebody in the hotel is giving negative stories about the Solana to the local press and she recruits Donald and Jacqueline to spy on the staff. A trick is played on Sam by Trudy and she convinces her that she had unprotected sex with Liam while she was drunk.
Imogen and Eli's relationship grows, and Imogen models an art piece off Eli's bipolar disorder, after learning about the disorder. This initially angers Eli, and he becomes more obsessed over Imogen. K.C. becomes interested in the baby he and Jenna gave up for adoption, while Jenna does not. Tori gets on the power squad, but is kicked off for being late to rehearsal, she then becomes the mascot.