Lab Rats

When Leo is chosen for a mission over Spin, Spin recruits Bob to join him on an unauthorized mission to prove themselves. They both end up stuck in quicksand and call Leo to save them. After Leo rescues them, Donald decides to move Leo up a color. Meanwhile, Principal Perry returns saying that she wants a job as head of security at the academy. After countless attempts, Donald agrees, leaving Leo in a particular despair. Meanwhile, Sebastian tries to help Chase get revenge on Adam with a virtual reality machine. After that, Chase tells him about his creator and how they took him out. Later, Sebastian injures Donald with the machine used to prank Adam. When the Lab Rats take Donald to the medic, Sebastian turns evil and says that if they took away his father, then he is going to take away theirs.

Leo finds out that he will be a student at the bionic academy, not a mentor like Adam, Bree and Chase. Chase engages in a battle against a former nemesis and Adam mentors a younger student.

The Lab Rats plan to gain good publicity by having cameramen film them during a mission, but it turns into a disaster when they fight for screen time. After the mission, the president orders the team to stay away from the public in order to let him settle things down. However, it goes wrong when Leo and Principal Perry are holding back angry protesters who want the Lab Rats gone, and Leo accidentally uses his bionic arm. As the protesters become even more enraged, they try to storm the house; Adam panics and uses his bionic super breath to blow everyone off the premises. However, Chase criticizes Adam's actions and the Lab Rats start fighting. They eventually decide to break the team. Three weeks later, the Lab Rats refuse to talk to each other, but they are forced into action when Krane plans to use his Triton App on everyone in the world. A large battle ensues, pitting Leo, Donald, Douglas, and the Lab Rats against Krane and his bionic army. Most of the soldiers attack Adam and Bree, who manage to take them out. Chase has a one-on-one battle with S-3 and Leo has one-on-one battle against S-1. Donald and Douglas attack the soldiers surrounding the satellite, but Krane keeps them from getting too close. Eventually, the Lab Rats and the rest of the team manage to hold back many of the soldiers, but they are running out of time to stop Krane. Douglas then reveals that the Lab Rats can fuse their abilities to stop Krane. They succeed, blasting Krane into the sky and breaking his control over the soldiers. However, their victory is cut short when they find out that Donald is in serious condition after the battle. Later they find out that after the surgery, Donald is still in a very delicate condition. Leo is made an official member of the Lab Rats and gets an upgrade to his bionic arm.

During Christmas, when the Lab Rats discover that their new action figures are being outsold by another toy, The Nerble, they attempt to improve their toys by adding special features. After adding them they decide that the toys are too dangerous for kids and put them in a box to be destroyed. Tasha is running a toy drive at the school and is collecting gifts. She finds the action figures and hands them out. When the Lab Rats find out, they rush to school and try to catch the action figures. After destroying the toy drive, they find a way to make it up to Tasha and the kids. Leo and Donald have a snowball fight in the house and Grandma Rose shows up just as Leo uses his bionic arm. Rose gets mad and calls Donald a bad father. Donald tries to makes it up to Rose by giving her a Bree action figure, but it promptly explodes.

Chase gets a girl interested in him, but Adam gets jealous and tries to ruin their date by having Chase turn back into Spike. Meanwhile, Leo and Bree suspect that Principal Perry has murdered a cook from the cafeteria and Donald. They then find out it was about a hamburger truck and they misunderstood everything.

Donald and the Lab Rats attend a fan convention about the movie, Alien Gladiators. The Lab Rats queue up to meet Andre Ethier, but Caitlin comes and makes them let her cut in line in front of them, getting the lost spot and meeting Andre Ethier. They fight with Caitlin and are thrown in a security holding area with a fanboy. Meanwhile, Leo and Donald are taking part in the Fire Staff Competition to get the walk-in role in the next Alien Gladiators movie.

When the Lab Rats are on a mission, it is revealed that a girl was secretly recording them behind a bush. The next day, the Lab Rats go to school and everyone is looking at a viral video called The World's First Bionic Humans. They go back home to tell Donald, but he says he already knows. Meanwhile, Chase is confused that he didn't notice the girl who filmed them behind the bush, even though he thermal scanned the whole place. He then looks at a chip log and finds out that the girl was in the exact spot he scanned. Chase then goes to tell Donald, but a swarm of government agents surrounds them. Leo and Douglas are still in the lab, but they use a trap door to escape and go to school to stay safe. It is then revealed that the mission the Lab Rats were on was a setup. Krane then shows up with the girl who filmed the Lab Rats, whose name is revealed to be S-1. It is also revealed that she is bionic. Krane electrocutes Principal Perry and Douglas while S-1 crushes Leo's arm. Later, Douglas and Principal Perry help Leo to get his arm fixed and take him to the hospital. Tasha later shows up, only to realize that Leo is gone. While the Lab Rats are saying their goodbyes, Special Agent Graham tells them it's time to leave, but Adam refuses. Agent Graham orders his agents to take them down, but Adam uses his wave blast ability to knock them down. When they run to the hospital, Principal Perry tells them Krane is responsible for exposing their bionics. Meanwhile, Leo is in Douglas and Krane's old warehouse and Douglas tells him to take his bandage off and pretend to throw a ball. He then realizes that Douglas upgraded his right arm with bionics. Krane then shows up and knocks down Leo and Douglas. The Lab Rats then show up with Donald, as Krane uses a powerful bionic ability that knocks out Leo, Donald, and the Lab Rats. Krane then paralyzes Donald with his choking ability. Bree battles S-1 while Adam and Chase battle Krane, but he easily takes them down with his newly upgraded Triton App that he uses on S-1. Leo then uses his bionic arm to take down Krane. As Agent Graham arrives, Douglas reveals that Krane and S-1 are the bionic villains. Agent Graham is then saved by Bree as Krane tries to attack him and he takes Krane and S-1 into custody and locks them in a prison with a bionic signal interrupter, preventing them from using their bionics to get out. Later, the Lab Rats are at a press conference and reveal that they are bionic superhumans. While watching it, Principal Perry makes new friends with the Lab Rats. In the end, Agent Graham tells Donald he's now in charge of the Lab Rats. It is also revealed that Krane has an army of bionic soldiers, which he will use to destroy the Lab Rats.

Leo's scared by a shark movie, so Adam and Chase use one of Donald's sharks to scare him, but it goes haywire and Adam, Chase, Leo, and Janelle end up stuck in the house. In the end, Leo turns the sharks off. Meanwhile, Principal Perry enlists Bree and Donald's help to get into a country club, but when she lies that Donald is her husband and Bree is her daughter and they have pottery around the world, Bree must use super speed to go places without the country club owner knowing about her bionics. Eventually, Principal Perry doesn't get in after the manager figures out the lies, but she decides to spend the summer with the Davenports.

Bree is accepted for a semester abroad program in Australia, but when Donald learns about it, he refuses to let her go. When Donald again refuses to let her go to a concert with her friends in favor of bionic chip maintenance, she decides she's had enough and smashes her bionic chip, much to Adam, Chase, and Donald's horror. At first, Bree relishes her new freedom and even begins bragging to a disgruntled Leo. During a mission, Bree feels helpless as Adam and Chase are gone for hours. Chase reveals that they barely made it out alive and because Bree is no longer bionic, the mission took twice as long. Bree realizes she was selfish and apologizes to Adam and Chase. She's ready to become bionic again, but Donald sadly tells her that since Douglas built the chips, he isn't sure if Bree will ever be bionic again. Meanwhile, Tasha is sick, so Leo decides to use his new pill invention on her to see if her diagnosis will reveal the problem, but when he takes some of the software from Eddy, Eddy is stuck in Tasha's body. Eddy spends the day dressing her horribly and getting her kicked out of every spot in town. Donald finally uses his nasal vacuum on Eddy and the pill is extracted. However, Eddy reveals he did a news report as Tasha, and much to her shock, he made her look like a complete buffoon.

During a lunar eclipse, Principal Perry arrives at the house to inform everyone that aliens are on the planet, much to the cha Bree, Chase, and Donald's chagrin, but Adam and Leo's shock. She insists that Chase's upset stomach is due to an alien growing inside him and chases him. However, they notice green goop leaking out of Principal Perry's ears and mouth. Donald then admits that she's an alien. Principal Perry chases everyone, while Leo records the whole thing, and eventually tires herself out. Leo accidentally wakes her and she runs off with him to the school. Adam's heat vision destroys the alien pods Principal Perry laid and Leo is freed. The mother ship beams Principal Perry away just as Donald arrives. Thinking that they will miss Principal Perry, they are sadly mistaken when the mother ship beams alien-less Principal Perry back down. It is then revealed the whole thing was Leo's entrant in a contest.

Chase loses the phone with a bowling video of him and Adam doing bionic bowling stunts at Tech Town while working. Leo and Bree try to get Principal Perry to spend her money when she retires after Donald gives her money and Trent becomes the principal and makes Leo's life miserable. It works in the end, but Principal Perry is broke and Scott fires Caitlin after she destroys an ePhone 7, the one that had Adam and Chase's bowling stunts on it, while giving them to the customers as revenge. Leo makes Trent wear a different uniform, but to Bree and Leo's shock, he loves it, much to their dismay.

Since Principal Perry knows that the Lab Rats are bionic, she wants to get in the action and go on a mission with them. When they stage a fake mission and take her down to the newly built lab, things don't go as planned, and they have to save Mission Creek High from a speeding rocket. Meanwhile, Janelle goes on a date with Leo, but is beginning to see him as a jinx because she always gets hurt when he is around.

Leo and Donald escape the elevator. Principal Perry lets them stay at the school temporarily in order to get her money from Donald quicker. The Lab Rats stow away on a cargo ship to hide from the FBI and must choose to either keep quiet or help stop a submarine that will crash into the ship and risk being caught. The Lab Rats decide to stop the submarine, with Chase activating his GPS, revealing the Lab Rats' location. Douglas ends up capturing them, disguised as Donald. Douglas reveals that his new bionic partner is a billionaire named Victor Krane, who wants to destroy the Lab Rats permanently. When Donald calls the Lab Rats and tells them that Principal Perry kept their secret, they return home, only for them to get crazy as a result of the Triton App and attack the family, Leo manages to disable Chase's Triton App when he talks to him and Chase manages to disable Adam and Bree's apps. The Lab Rats and the family later see the demolition that happened to the lab and are upset.

The Lab Rats are forced to expose their bionic secret in order to save Principal Perry.

The Lab Rats go on a rescue mission to save Dr. Evans and travel to Davenport's secret facility in the frozen tundra.

Chase inadvertently causes Adam to shrink down to two inches.

When Leo discovers that his nemesis Trent is rattled about a ghostly legend at Mission Creek High, he comes up with a plan for Chase and Adam to use their bionics to stage a haunting at the school.

In an effort to get out of training duties, Adam enlists Leo's help to create a duplicate Adam using Davenport's experimental cloning device. However, Adam's clone uses the same device to create another duplicate to avoid going to school and the clones he creates repeat the same process resulting in a mob of ever duplicating Adams.

Adam, Bree and Chase use Mr Davenport's new invention to erase moments that could land them in trouble. While, Leo causes chaos when he uses the gadget to accidentally wipe 24 years of Mr Davenport's memory, resetting him to his 15 year old self.

The truth behind Marcus and his father.

Adam gets a truck. Leo tries to get her mother out of being PTA teacher.

Leo follows Marcus to his secret lair (an abandoned train station) to gather evidence that proves he's bionic but ends up captured by Marcus and told that there bionics are just some dumb tricks. Meanwhile, the Lab Rats scramble to bring Tasha back before Davenport finds out that they accidentally teleported her to parts unknown.

One of Davenports inventions accidentally sucks Leo into an opposite parallel universe where Leo's the one with Bionics, Principal Perry is nice, Adam is a nerd, Chase is a Jock, and Bree is popular.

Adam's confidence plummets after Chase pranks him, so Chase tries to make things right by creating a fake rescue scenario, but his plan backfires and puts him in real danger.

Bree is exposed to a toxic chemical sending Adam and Chase on a mission for an antidote. Bree escapes quarantine and when her side effects kick in, it's up to Leo to get her back to her capsule.

Leo turns to Bree for help after he mistakenly unleashes a swarm of robotic flies on the school. Adam and Chase turn their class assignment into a destructive competition.

Chase accidentally discovers that he has a hidden ability - telekinesis.

Adam, Bree, and Chase are caught on Principal Perry's surveillance camera using bionics.

In order to fight Trent's bullying, Leo signs up for a one-on-one basketball game against his rival.

Adam, Bree and Chase learn about chores and earn allowance for the first time. To raise more money, they host a yard sale and accidentally sell an antique jewelry box that Davenport was restoring for Tasha.

Adam, Bree and Chase switch their bionics but things end up not the way they think when they can't handle it anymore.

Leo borrows Davenport's helicopter to take Janelle on a daring date. Bree gets her own room and Adam and Chase are excited to have a room to themselves. But things get out of hand and Chase divides the room up.

When Adam, Bree and Chase forget to invite Leo to his surprise birthday party, they must make it up to him, so they take Leo into the ultra-cool virtual mission simulator and show him what it's like to be bionic.

When Davenport's prized invention, a super strength and laser empowered exoskeleton suit, malfunctions, after Chase reverses its controls, to get back at Leo for stealing his presenting job. However, it ends up unleashing destructive power on the household, making Leo's grandma even more suspicious of the family.

When Leo needs help asking a girl to the school dance, Adam and Chase step in to help, but the plan backfires when she falls for the wrong brother. The boys decide to settle their differences on the dance floor and each show off their best moves. Meanwhile, Bree gets to know her crush, but he gets to know her glitche

The trio has switched places with robot versions of themselves, sending the robots to the remote lab. Tasha is afraid of Leo's attachment to the 'robots' and convences Donald to send them to the scrap yard. Leo heads off to rescue his new friends. On their return home Donald agrees to let them stay and learn about normal human life if they and Leo can keep their bionic powers a secret.