A scrawny 14-year-old, having discovered his inventor stepdad has three bionic, super-powered teens living cloistered in a secret lab beneath their home, brings them out into the world.
Cast:William Brent , Spencer Boldman , Kelli Berglund , Tyrel Jackson Williams , Hal Sparks , Maile Flanagan , Angel Parker , Jeremy Kent Jackson , Will Forte , Brandon Salgado Telis , Madison Pettis , Graham Shiels , Mateus Ward , Michaela Carrozzo , Max Charles , Cole Ewing , Eddie Perino , John Eric Bentley
As Leo, Tasha and Donald deal with eviction, Adam, Bree and Chase lie low aboard a cargo freighter as stowaways, but a crisis challenges the teens' resolve to stay off the grid.
Donald, Tasha and Leo must try to reach the human sides of the bionic teens when Douglas uses the Triton App in their bionic implants to set them against their own family.
Donald tries to raise money for a new lab by attempting a death-defying stunt where he flies over Mission Creek on rocket-propelled wings.
Now that Principal Perry knows the Lab Rats' bionic secret, she pesters the team to take her on a mission.
Bree gets a job at a tech store, excited to have something to do not involving her family or bionics - until Chase also gets a job there. Meanwhile, Adam, Leo and Donald set up advanced zip lines around the house instead of doing chores.
Chase panics. His new cell phone (with a recording of Chase and Adam using bionics) gets lost among others on sale at Tech Town. Meanwhile, Leo finds it is in his best interest to stop Principal Perry from retiring.
Leo invents Attack Orbs, floating robotic bodyguards that will attack any threat coming within five feet of him.
Principal Perry invades the Daveport mansion during a lunar eclipse to declare an alien invasion at hand. Turns out, she might be correct.
Douglas contacts Donald to warn him about Victor Krane. Unfortunately, Donald doesn't believe him, and now Leo and Tasha are kidnapped.
When Bree is accepted for a high school semester abroad program and Davenport won't let her go, she destroys her chip forsaking her bionic abilities.
Leo seeks out Douglas' help to replace Bree's destroyed chip while Adam and Chase explore ways to replace Bree.
Only aiming to pay Leo back for humiliating him and Adam at school, Chase sets a cyborg shark with artificial intelligence loose in the house.
A viral video of Adam, Bree and Chase handling a mission outs their bionic secret, but Leo discerns that the emergency was a set-up just for that purpose.
With Victor Krane at large and the other Davenports held by government agents, Douglas only knows one way to fix Leo's crushed arm - make him bionic.
Agent Graham takes the bionic teens on a whirlwind press tour, ignoring the need for missions and training, and reducing Donald to an office gopher.
The Davenports attend a fan convention where Adam, Bree and Chase dress as their favorite "Alien Gladiators" characters, and Leo and Doanld compete for a walk-on role.
Douglas unlocks new abilities for Adam and Chase that escalate their battle of one-upping and disrupt the balance of power on the team.
When Chase finally gets a girl interested in him, Adam gets jealous and sabotages their date by purposefully causing Chase to turn into Spike.
Bree attempts to play a prank on Adam, but it goes awry right before her big date for the school's winter dance.
Tasha snags some toys from the lab for her Christmas toy drive, not knowing Chase empowered them with bionics.
As Adam, Bree and Chase become celebrities, their friction becomes evident when a reality show follows them on a mission and things go awry.
With the bionic team dissolved, Victor Krane and his bionic army launch a scheme for world-domination.
In transferring some of his own life energy to keep Donald from dying, Leo starts aging rapidly. Meanwhile, Krane's teen army, bereft of a leader for the first time, latch on to a new one - Adam.
To his dismay, 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.
Donald leaves Adam, Bree and Chase in charge of the Bionic Academy while he celebrates his anniversary. Leo invites Janelle to the island but gets distracted by his nemesis.
Spin leads Bob on an unauthorized mission while Chase and Sebastian pay Adam back for breaking their training simulator.