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.
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 super speed. Meanwhile, the guys compete to design the best mission suit.
After Skylar fills in as mission leader, Chase sets out to prove that he is the only team member equipped for the role. Perry moves into mission command.
Oliver takes Skylar to see her superhero friend, Crossbow, unknowingly leading to Roman. Chase and Bree capture Riker after he tries to retrieve the complete list of superhero identities and locations from Mission Command.
Chase and Douglas discover an intruder in mission command, while the rest of the team competes to see if boys or girls can go the longest without using bionics or superpowers.
Skylar is abducted by a friend from her home planet who has now turned evil, and it's up to Oliver and Bree to save her. Meanwhile, Chase feels lonely and decides to make a robot girlfriend, but it doesn't go quite as he had planned.
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.