Leo is an ordinary teenager who has moved into a high-tech "smart'' house with his mother, inventor stepfather and Eddy, the computer that runs the house. Leo's life becomes less ordinary when, one day, he discovers a secret underground lab that houses three experiments: superhuman teenagers. The trio -- Adam, the strong one, Bree, the fast one and Chase, the smart one -- convinces Leo and his parents to let them leave their lab and join Leo at school, where they try to fit in while having to manage their unpredictable bionic strengths. As Leo figures out a way to keep his new pals' bionic abilities a secret, they help him build self-confidence.
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see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 96
- Latest aired
- S04E23
- Total runtime
- 19h 43min
Timeline when each season aired
- Season 1 February 2012 – November 2012 20 episodes
- Season 2 February 2013 – January 2014 26 episodes
- Season 3 February 2014 – February 2015 26 episodes
- Season 4 March 2015 – February 2016 24 episodes
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S02E01 Speed Trapped
February 25 · 23min find the promo
Show synopsis
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.
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S02E02 Spy Fly
March 4 · 22min find the promo
Show synopsis
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.
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S02E03 Missin' the Mission
March 11 · 22min find the promo
Show synopsis
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.
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S02E04 Quarantined
March 18 · 22min find the promo
Show synopsis
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.
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S02E05 Robot Fight Club
March 25 · 22min find the promo
Show synopsis
Chase and Leo enter a robot battling competition.
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S02E06 Bro Down
April 1 find the promo
Show synopsis
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.
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S02E07 The Rats Strike Back
April 8 find the promo
Show synopsis
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.
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S02E08 Parallel Universe
June 17 find the promo
Show synopsis
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.
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S02E09 Spike's Got Talent
June 24 find the promo
Show synopsis
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.
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S02E10 Leo vs. Evil
June 24 find the promo
Show synopsis
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.
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S02E11 Hole In One
July 1 find the promo
Show synopsis
The Lab Rats accidentally damage Davenport's one million dollar painting.
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S02E12 Trucked Out
July 8 find the promo
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Adam gets a truck. Leo tries to get her mother out of being PTA teacher.
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S02E14 Bionic Showdown (1)
August 5 find the promo
Show synopsis
The truth behind Marcus and his father.
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S02E15 Bionic Showdown (2)
August 5 find the promo
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S02E16 Memory Wipe
August 19 find the promo
Show synopsis
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.
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S02E17 Avalanche
September 16 find the promo
Show synopsis
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.
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S02E18 Adam Up
September 23 find the promo
Show synopsis
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.
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S02E19 Llama Drama
September 30 find the promo
Show synopsis
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.
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S02E20 The Haunting of Mission Creek High
October 14 · 30min find the promo
Show synopsis
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.
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S02E21 Perry 2.0
November 11 find the promo
Show synopsis
Principal Perry gets the idea to create a robotic version of herself.
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S02E22 My Little Brother
November 18 find the promo
Show synopsis
Chase inadvertently causes Adam to shrink down to two inches.
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S02E23 Prank You Very Much
November 25 find the promo
Show synopsis
Bree is tired of being the target of the boys' pranks.
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S02E24 Twas the Mission Before Christmas
December 2 find the promo
Show synopsis
The Lab Rats go on a rescue mission to save Dr. Evans and travel to Davenport's secret facility in the frozen tundra.
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S02E25 Trent Gets Schooled
January 6 find the promo
Show synopsis
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.
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S02E26 No Going Back
January 13 find the promo
Show synopsis
The Lab Rats are forced to expose their bionic secret in order to save Principal Perry.