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Bree and Chase meet up with Kaz, Oliver, and Skylar where they meet two shapeshifters, Roman and Riker who destroyed Mighty Med and are on a mission to destroy the Elite Force now.
When Kaz outshines Oliver during superhero training, Oliver resolves to master his new powers. Meanwhile, Bree and Skylar adjust to sisterhood.
In an effort to win over Skylar, Oliver elicits Chase's help in recovering her powers. Meanwhile, Kaz offers to pet-sit a neighbor's pig, much to Bree's chagrin.
Kaz is eager to brag about his powers to his little brother Kyle, but can't due to the "Superhero Code." Meanwhile, Bree accuses Oliver of using his powers to damage her belongings.
Known as the fastest girl in the world, Bree is offered a sneaker line...until Skylar unveils her own superspeed. Meanwhile, the guys compete to design the best mission suit.
Chase tries to prove he is the only team member equipped to be mission leader when Skylar fills in at the position.
Oliver takes Skylar to see her superhero friend Crossbow and they unwittingly lead Roman right to her. Meanwhile, Chase and Bree capture Riker after he tries to retrieve the complete list of superhero identities and locations from Mission Command.
Oliver's favorite athlete, Clutch, participates in an Olympian send-off celebration but chooses Kaz as his spotter. Meanwhile, Bob decides to compete in the mini-Olympics.
Chase and Douglas find an intruder in mission command; the boys compete against the girls to see which group can go the longest without using bionics or superpowers.
Bree is disappointed by the "Elite Force Breakdown," a list ranking the team's members in order of importance. Meanwhile, the all-powerful Arcturion space rock from Mighty Med resurfaces.
A Skylar look-a-like from Caldera named Scarlett comes for a visit. Chase builds an android girlfriend for himself, but Kaz has other plans.
When it turns out that Skylar's former friend wants her to take part on the evil side of the war, she and her friends have to find a way out. Meanwhile, the robot girls that Chase created are starting to annoy Kaz.
When Oliver skips out on their tradition of pulling Halloween pranks in favor of a date with Skylar, Kaz continues on his own. Meanwhile, Perry enlists Bree's protection for the night.
Chase and Kaz collaborate to build a drone for a drone race, leaving Oliver to feel jealous and left out. Meanwhile, Bree and Skylar help Perry to walk on a high wire between their apartment and another building.
Tasha introduces baby Naomi to the team, and Bree learns what it takes to be a babysitter; Chase obsessively designs a device that reverses the aging process.
Roman and Riker's black swarm returns, so the Elite Force hops into action to protect Centium City. There's more than meets the eye with Chase's new girlfriend Reese.
