King Julien declares a war against butterflies to raise his kingdom's spirit, but when the village is destroyed he decides to hold a peace summit.
The gang joins King Julien at his Lemur School Reunion, but the party gets out of control when his old prom date, Karen, shows up for revenge.
Featured magicians: Erix Logan, Farrell Dillon, Matt Marcy, The Shocker, Bill Cook, RJ Cantu, and Sittah.
Clover wants to follow in her Grandma Rose's footsteps and compete at the dangerous Tournament of Doom, but King Julien forbids her to attend.
Glitch turns Segovia Aqueduct into a giant water slide and the Go Jetters must stop him from toppling it to the ground.
When King Julien hosts the ultimate party, his Boom Box breaks, the kingdom becomes too crowded and he builds a giant wall to surround the kingdom.
Alfie considers Noah's health problems and surprises Riley with a plan for the qualifiers. Meanwhile, Amanda and Noah open up to one another; and LaTroy makes an unexpected decision in the wake of receiving news from his dad.
Chaos ensues when the couples swap spouses; and Jim and Elizabeth are forced to intervene in a dramatic confrontation after Cody reveals a secret from Michelle's past. Later, one pair's unexpected breakup leads to divorce.
Recoupling day arrives, and Kady has a big decision to make; Malin and Terry's bickering gets out of hand; two new ladies arrive.
The Ramsay family hits the Californian coast for a beach barbecue, and 13-year-old Matilda takes the day off, handing over the job of cooking lunch to her sisters Megan and Holly. As the girls get cooking, brother Jack is given a lesson on how to fly a drone and use it to film incredible shots. Matilda's dad Gordon and Jack later go fishing on a jet ski, hoping for a big catch.
When Nina accidentally crashes George’s car she sets in chain a series of mishaps that may lead to her leaving the house for good.
With a major security breach and a lot of new inmates, Caputo has to call in the big guns. Things get a little too real for Crazy Eyes and Lolly.
Nothing stays hidden for long when emotions run high, but Red, Healy and Caputo try to keep the peace. Piper has a business competitor.
The newcomers stir up ethnic and domestic conflicts, but Maria sees an opportunity. Judy's special treatment raises eyebrows.
Sofia's class goes on a father-daughter trip to the Enchanted park, but Sofia wonders if she truly belongs since Roland is her stepfather.
Piper's plan to edge out the competition could backfire badly. Cindy finds a way to make Taystee's job pay off. Luschek gets some interesting mail.
Company policies lead to a shortage of critical supplies and an eventful trip to a prison convention. Piscatella starts a new anti-gang initiative.
T-Pain, Scott and Weird Al collaborate on a song; and Melvin Alberts talks about being abducted by aliens. Later, Scott's scientific breakthrough allows him to get more stuff done; and Weird Al previews his new foodie-TV show.