Leo secretly takes them to his school, Mission Creek High, where their lack of experience with the outside world causes chaos, in part because their bionics can be inadvertently activated through their emotions.
Adam, Bree and Leo promise Davenport they will keep Chase out of trouble, but his Commando App is triggered when he encounters Trent, an unfriendly player on the school football team.
Guest stars: Angel Parker as Tasha, Garrett Backstrom as Ethan, Ginny Gardner as Danielle Because of a mistake by the engineer, Davenport's high-speed bullet freight train speeds out of control toward a town, with enough toxic chemicals onboard to wipe it out.
For Fitness Challenge Week, Mission Creek High holds its Death Spiral Smackdown competition, in which student teams fight against each other while trying to knock opponents off a rotating platform.
Later, Davenport finds out about the jewelry box's disappearance and punishes Chase, Adam, and Bree by making them do every filthy, disgusting chore in the house without their bionics for a month.
They get there and fix the breach, but Adam accidentally breaks his tether with his heat vision and Bree ends up rescuing him, with help from Chase and his newly discovered molecularkinesis ability.
When Davenport discovers a gas leak at a facility, he calls Chase, Adam, and Bree, but they are stuck in detention with Principal Perry for missing school during their other missions.
A NASA representative plans to visit Davenport earlier than expected to see a presentation of his new gravity propulsion belt, a device that allows astronauts to spacewalk anywhere in the galaxy.
Guest stars: Maile Flanagan as Principal Perry, Ben Stillwell as Owen, Will Forte as the voice of Eddy After seeing Marcus at school, Leo follows him to his house, which contains a lair.
After receiving a tip from a prospective buyer, the FBI arrives and accuses Davenport of trying to sell forged art, which prompts the others to tell the truth about the original painting.
When an FBI agent comes to the house to investigate the hacking, Chase, Adam, and Bree mistakenly believe that Perry has reported their bionic secret to the authorities.
Guest stars: Angel Parker as Tasha, Maile Flanagan as Principal Perry, Jeremy Kent Jackson as Douglas Davenport, Casey Sander as Captain, Graham Shiels as Krane Chase, Adam, and Bree are forced to go without their sleeping capsules, which were destroyed in the lab explosion.
Guest stars: Angel Parker as Tasha, Madison Pettis as Janelle, Eddie Perino as Trent, Dustin Ingram as Scott During a lunar eclipse, Principal Perry arrives at the house to inform everyone that aliens are on the planet, much to everyone's shock.
Meanwhile, using technology based on Eddy's smart home system, Leo develops a special pill that attaches to a person's cerebral cortex and diagnoses medical problems.
Chase alters one of Davenport's cyborg security sharks with hover technology so it will float, and he and Adam unleash it in the house to scare Leo in front of Janelle.
Chase, Adam, and Bree learn that a girl was secretly recording them from behind a bush during a mission from the previous day in which they repaired a ruptured gas pipeline to prevent an explosion.
Guest stars: Jeremy Kent Jackson as Douglas, Madison Pettis as Janelle, Ben Bodé as Agent Graham, John Eric Bentley as President An annual fan convention about a science-fiction film franchise, Alien Gladiators, is being held in Mission Creek this year, and everyone attends it.
Chase, Adam, and Bree wait in line to meet Andre Ethier, who is starring in the next Alien Gladiators film, but Caitlin shows up and forces them to let her cut in front of them.
Leo makes multiple purchases at Tech Town and eventually becomes the one-millionth customer, but Scott informs him that family members of employees are ineligible to win the prize.
Gossip websites begin publishing false information about the bionic team, so Leo arranges for a live reality television series to document them, allowing people to see the truth.
However, it turns into a disaster when Adam, Bree, and Chase fight for screen time and fail to prevent a nationwide power outage, which causes the public to question their responsibility and whether they can be trusted.
Davenport and Douglas lead a large battle against Krane and his bionic army at his junkyard hideout, where he plans to use a stolen satellite to globally transmit the Triton App signal.
Adam, Bree, and Chase learn that Sebastian has formed an evil alliance with two other students; that he has given himself all of the available bionic abilities; and that he was responsible for stopping the hydro-loop, in order to kill Davenport as revenge for Krane's death.
Guest stars: Jeremy Kent Jackson as Douglas, Max Charles as Spin, Brandon Salgado-Telis as Bob Tasha visits the island after finding out that Leo's ankle was hurt on a mission.
Guest stars: Angel Parker as Tasha, Brandon Salgado-Telis as Bob, Michaela Carrozzo as Caitlin Adam discovers a fossilized prehistoric sea spider, and Chase and Douglas decide to bring it back to life, but Leo feels left out when they do not let him help, as he is not knowledgeable about biology.
Guest stars: Maile Flanagan as Perry, Jeremy Kent Jackson as Douglas, Brandon Salgado-Telis as Bob Davenport tells the group that the president has decided to host an award ceremony because they have completed their one-thousandth mission.
Leo demonstrates to Chase, Adam, and Bree that he and Taylor can fuse their laser sphere abilities together to form an electromagnetic pulse attack capable of taking out any power source.
Guest stars: Jeremy Kent Jackson as Douglas, Ashley Argota as Taylor, John Eric Bentley as President, Emery Kelly as Logan Tasha arrives on the island, informing everyone that she has tickets to a big football game in Mission Creek.
On the island, Adam and Bob create a web show about breaking stuff, but they accidentally destroy the capsules while using their super strength to play catch with a coffee table.
Guest stars: Maile Flanagan as Perry, Angel Parker as Tasha, Graham Shiels as Krane, Ping Wu as Dr. Gao Davenport and Douglas reveal that they have built an operating system upgrade for all the students' bionics.