Leo discovers three teen super-humans Adam, Bree and Chase, living in a secret underground lab in the high-tech home he shares with his inventor stepdad, Donald Davenport, his mom, Tasha, and Eddy, the "smart house" computer. Leo takes the trio to school, but when they are unable to contain their bionic abilities on campus, Davenport sends them away to a remote secret lab.

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.

On the Lab Rats' first day of school, all goes awry when Chase is confronted by a football player and his "Commando App" is triggered, transforming him into Spike, an unruly drill sergeant. When Spike defies the school principal, she pits the Lab Rats up against the football team to battle it out for the coveted cafeteria table

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 Lab Rats get their first mission to stop Davenport's hi-tech super fast train from speeding out of control.

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 Chase refuses to admit that Adam has good ideas Adam decides to run against him for student of the semester. Meanwhile, Leo takes advantage of Bree's super speed and starts using her as his personal taxi.

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.

Leo & Adam team up for the school fitness challenge expecting Adam's bionics to be his secret weapon; the plan backfires when they end up going head-to-head in the finals. Meanwhile, Bree and Chase use their bionic abilities against one another.

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.

Future Leo travels back in time to tell Leo, that Chase, Bree, and Adam won't make it to the future, and Leo is the only one who can save them.

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

Leo is left alone to care for the Lab Rats, but things quickly go wrong when he plays with a new gadget that glitches Adam, Bree, and Chase.

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.

Tasha takes the entire family on a nice 'tech free' beach weekend in the RV, but when Davenport discovers a solar flare headed in the Earth's direction, he secretly enlists the help of the Lab Rats.

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

When Leo accidentally messes up Eddy, an evil demon Teddy replaces him.

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

Leo is blamed for breaking Marcus' guitar.

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

Adam, Bree, and Chase sneak out to meet Marcus in Davenport’s new self-driving sports car. When Leo tries to stop them, his nemesis Marcus traps him inside the car and programs it to take him on a wild, high-speed ride bound for the bottom of the Pacific Ocean.

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.

Leo finally goes a mission as he helps Davenport and Eddy attempt to stop an underground gas leak. Adam, Bree and Chase struggle to escape from Principal Perry’s detention lockdown.

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.

Chase and Leo enter a robot battling competition.

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.

The lab rats go on strike and express their desire to do normal teenage stuff, so Davenport recruits Leo as a "scab" rat for an upcoming demonstration.

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.

When Chase is not pictured on the yearbook, he enters a talent show to show everyone he's popular by using his bionics to move a chair with his mind. But Leo messes with Chase's bionics and he was mad so he got revenge by going into commando app and then he messes with the kids in the school which causes Davenport to turn off his bionics until he learns his lesson.

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.

The Lab Rats accidentally damage Davenport's one million dollar painting.

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

Davenport races Joey Logano.

The truth behind Marcus and his father.

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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.

When Mr. Davenport invents a new freeze ray gadget, he sends the Lab Rats on a mission to Antartica to collect ice-type fuel for his invention. But when a 'category 5' storm hits Antartica, he calls the mission off. Ignoring Davenport's orders, Chase goes anyways, alone and gets trapped in an avalanche after it collapsed on him. When he tries to find a way out, he runs into Douglas along the way. Meanwhile, Leo tries to impress Janelle, but accidentally freezed her using Davenport's freeze ray gadget.

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.

When the school mascot's Dingo costume is stolen by the rival team, Adam seeks revenge by taking their mascot, a llama. When Chase and Adam try to return the llama they discover that the animal has swallowed hundreds of Davenport's mechanical nanobots causing it to shoot acidic bionic spit.

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.

Principal Perry gets the idea to create a robotic version of herself.

Chase inadvertently causes Adam to shrink down to two inches.

Bree is tired of being the target of the boys' pranks.

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

Leo and Chase use Davenport's technology to get back at Trent on the day of a big test; Bree gets exposed to a hair growth cream with bad results.

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