A prospective patient for the clinical trial leads Hank and Boris down to Argentina. Jeremiah attempts to mend fences with Viviana. Evan solicits Ray's help. Divya and Sashi's grandmother meet.
Hank doesn't agree with Ray that his new chef is drinking on the job. Dviya's new patient is a NASCAR crew member. Jeremiah is worried about the location of the prospective lab. Hank wants Emma to think about her future.moreless
When Evan reads on-line about a woman with a mysterious illness, he reaches out to her hoping Hank can help. Paige and Russell come to a realization about their new client. If HankMed is to survive, Evan and Jeremiah understand that they will need to fight Symphony. Hank wins back a former patient.moreless
Hank flies to Monte Carlo only to find himself in the middle of a plot involving Boris. Divya and Jeremiah tend to some firemen with a puzzling illness. Evan and Paige need a new place to live.moreless
With Jinora stuck in the Spirit World thanks to Unalaq, Korra and Tenzin return to Republic City in order to help convince President Raiko to intervene in the civil war. Also hoping to convince Raiko to enter the war is Varrick. Varrick sets up a grand showing of the finale of his Nuktuk mover at the Pro-Bending arena and invites everyone to the showing, including President Raiko. However, the showing turns out to be a setup so Varrick can organize a kidnapping of Raiko in order to send the United Republic to war. Meanwhile, Tonraq and the other Southern rebels storm the Southern Water Tribe capital city hoping to remove Unalaq and his forces from the city.
The Republic City police force investigates ship bombings near the Southern Water Tribe, including ships with shipments from Varrick. Despite finding out how the bombings are happening, no suspects can be pinpointed. This leads Mako, Asami, and Varrick to organize a sting operation to capture the culprits. However, things are not what they seem and soon Mako and Asami find themselves the very target of their own operation. Back in Republic City, Bolin's new fame in movies causes him to ignore his brother and friend's request for help. Meanwhile, following the attack by the Dark Spirit, Korra wakes up on a seemingly deserted island with no memory of who she is.moreless
Six months have passed since Amon and the Equalists were defeated, and Korra and the rest of Team Avatar have settled into the peace and quiet Republic City has come to enjoy. Everyone packs up and heads to the South Pole where the Glacier Spirits Festival is set to take place. Upon their arrival, they are soon greeted by Korra's parents, as well as Tonraq's brother, Unalaq, chief of the Northern Water Tribe. Tensions between the two over the spirits of the south force Korra to rethink her training regime. However, the spirits don't wait and that night they launch their angry attack on Korra.moreless
Amon announces to the city that if the Republic City council does not cancel the Pro-bending finals the entire city will suffer. The council initially gives into Amon's demands, but after Lin convinces them that the police will protect the arena, they let the finals proceed. Korra, Mako, and Bolin are determined to beat Tahno and his team. However, they have payed off the referee and soon begin to cheat during the match. As the match ends with an unfair victory for Tahno, Amon makes his move and takes over the arena.moreless
The Pro-Bending championships are about to start and the Fire Ferrets are in seemingly perfect sync. In their first match they easily defeat their opponents and move onto the finals. However, problems begin to arise when Korra gets jealous of Mako and Asami's relationship, Bolin decides to pursue Korra, and Korra gets upset at Tahno, the leader of the team they will be facing in the finals. Their next match does not go so well and their championship bid is in danger of ending.moreless
Korra begins her training under Tenzin. However, Korra is quick to give up when it doesn't come easily to her. She soon becomes interested in the game of Pro-Bending and sneaks off to the city to see a match when Tenzin forbids it. There she meets brothers Mako and Bolin. When their teammate backs out of a match Korra joins the team to help them.moreless
When Numbuh 1 is fishing with his dad, Numbuh 86 and her group appear and tell him that he's been scheduled for a decommissioning! Although he escapes, his teammates are taken to be decommissioned, so he has to enlist the help of Numbuh 2's little brother Tommy to try and save them! Unfortunatly, he is too late, but can he still save the Moon Base from a fiery demise?moreless
Operation: B.E.A.C.H. The KND take a vacation to the beach (and Numbuh 1 promptly leaves, since he hates the place), where Numbuh 3 is quickly kidnapped by the armored Knights of the Round Towel, who drag her before King Sandy, a miniature monarch who quickly falls in love with her! Naturally, the concerned Numbuhs 4 with Numbuhs 2 and 5 confronting the beachcombing brat in his enormous sandcastle... but they are soon overwhelmed. Can the KND topple this tiny tyrant before high tide?
Operation: U.N.D.E.R.C.O.V.E.R.: The Delightful Children have the team right where they want them (again), when suddenly, the helmet headed member (his name revealed as Lenny) pushes the wrong button on their vehicle, ruining the villains' plans. The KND start to head home, when they are called to the Moon Base, where they meet with Numbuh 274... and Lenny himself! The Delightful Child claims that he is the reason that his siblings plans always fail, and that he intends to help the KND organization by cutting off the Delightful Children's supply of coffee, the source of their evil power. Thus, the KND and Lenny travel to an offshore coffee drilling rig to make a pre-emptive strike... but could this all be, as it most likely is, a double cross? And if so, who is double-crossing who?
Operation T.O.M.M.Y.: Numbuh 2's little brother will do anything to hang out with him, even if that means forming an alliance with the Common Cold.
Operation C.H.A.D.: When operatives from the KND international organization are neutralized by Mega Mom and Destructo Dad, The KND team up with the legendary operative Numbuh 274 to ground the powerful parental enemies.
Carrie is snubbed by Natasha at a restaurant, and is then mugged. Samantha drags Carrie to a party, only to find out it's a dorm party; Samantha makes out with one of the college lads, who happens to share the same name with her, but he becomes obsessed with her. Charlotte, tiring of the lack of sex with Trey, has a couple of encounters with a gardener, which leads to their separation. Miranda has a date with the police detective investigating Carrie's mugging, but nervous that she isn't good-looking enough, gets too drunk.moreless