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The Worst Episodes of Lab Rats

Every episode of Lab Rats ranked from worst to best. Explore the Worst Episodes of Lab Rats!

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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

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Episode Rankings

  1. #1 Worst Episode
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    Lab Rats Season 4 Episode 22 - Space Colony
    5.7/10(90 votes)

    S4:E22

    In the middle of a massive heat wave, the whole family is going to space to see Donald's space colony, called "Davenportia". Adam annoys Chase while Chase tries to give his safety instructions and accidentally blasts them into space. After leaving the solar system, they initiate hyper-speed and land on the planet Lithios. In the dome, it's discovered that Perry sneaked her way in with the rest of the colonists.

    Director:Unknown
    Writer:Unknown

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  2. Lab Rats Season 2 Episode 24 - Twas the Mission Before Christmas
    5.8/10(103 votes)

    S2:E24

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

    Director:Unknown
    Writer:Unknown

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  3. Lab Rats Season 3 Episode 18 - Spike Fright
    6.1/10(111 votes)

    S3:E18

    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.

    Director:Unknown
    Writer:Unknown

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  4. Lab Rats Season 2 Episode 3 - Missin' the Mission
    6.4/10(95 votes)

    S2:E3

    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.

    Director:Unknown
    Writer:Unknown

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  5. Lab Rats Season 2 Episode 21 - Perry 2.0
    6.4/10(89 votes)

    S2:E21

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

    Director:Unknown
    Writer:Unknown

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  6. Lab Rats Season 1 Episode 4 - Leo's Jam
    6.6/10(123 votes)

    S1:E4

    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

    Director:Unknown
    Writer:Unknown

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  7. Lab Rats Season 1 Episode 5 - Rats on a Train
    6.6/10(122 votes)

    S1:E5

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

    Director:Unknown
    Writer:Unknown

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  8. Lab Rats Season 1 Episode 10 - Can I Borrow the Helicopter?
    6.6/10(91 votes)

    S1:E10

    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.

    Director:Unknown
    Writer:Unknown

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  9. Lab Rats Season 2 Episode 8 - Parallel Universe
    6.6/10(95 votes)

    S2:E8

    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.

    Director:Unknown
    Writer:Unknown

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  10. Lab Rats Season 4 Episode 11 - Lab Rats vs. Mighty Med
    6.6/10(73 votes)

    S4:E11

    Chase and Donald have invented a new technology that takes in energy from any environment. Chase feels that he does not get his share of spotlight when Donald sells the product without his approval. Meanwhile, Kaz comes to the bionic academy to get powers, bringing Oliver with him.

    Director:Richard Correll
    Writer:Unknown

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  11. Lab Rats Season 1 Episode 3 - Commando App
    6.7/10(124 votes)

    S1:E3

    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

    Director:Unknown
    Writer:Unknown

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  12. Lab Rats Season 1 Episode 14 - Chore Wars
    6.7/10(93 votes)

    S1:E14

    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.

    Director:Unknown
    Writer:Unknown

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  13. Lab Rats Season 2 Episode 2 - Spy Fly
    6.7/10(99 votes)

    S2:E2

    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.

    Director:Unknown
    Writer:Unknown

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  14. Lab Rats Season 3 Episode 25 - Adam Steps Up
    6.7/10(88 votes)

    S3:E25

    Donald leaves the Lab Rats in charge of the bionic academy while he celebrates his anniversary with Tasha. Leo invites Janelle to the island, but gets distracted by his nemesis, Spin. Spin challenges Leo to a bionic battle. Meanwhile, Adam tells Bob to do all the things he can't do when Donald is around. Bob goes ahead and steals Donald's plane, but he then hits a button that deactivates the auto-pilot. Sebastian and the Lab Rats work together to save Bob. Back at the bionic battle, Leo tries to impress Janelle by battling with Spin. Spin gets the first attack and knocks Leo over. Leo then fights back and hits Spin in the leg. Janelle rushes over to Spin, who is crying, and helps him up. Janelle gets upset at Leo and takes Spin to get a smoothie. It is then revealed that Spin faked the injury so Janelle would spend time with him. Leo tries to prove that Spin is faking it by taking his crutches. Janelle then yells at Leo and carries Spin away. Leo tries again by filming Spin admitting faking the injury, but Spin then smashes Leo's tablet. Janelle walks in and yells at Leo and Spin. Leo and Spin then become her servants and they must give her the vacation that she deserves. Later, Adam uses Donald's jet wing to fly up to the jet and save Bob. When Adam tries re-activating the auto-pilot, the plane begins to fall. Adam helps Bob conquer his fear of heights by jumping out of the jet. Bob takes Adam's parachute and Adam jumps out to try to get it from Bob. At Donald's house, just as Donald finishes setting up the table, Adam and Bob fall through the ceiling. Donald is disappointed with the Lab Rats. Adam confesses and tells him that he wasn't a good mentor. Bob tells Donald that Adam was a good mentor by boosting his confidence. Donald then tells him that his plane was a smart plane that even without the auto-pilot the plane would land itself automatically.

    Director:Guy Distad
    Writer:Ernie Bustamante

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  15. Lab Rats Season 2 Episode 5 - Robot Fight Club
    6.8/10(91 votes)

    S2:E5

    Chase and Leo enter a robot battling competition.

    Director:Unknown
    Writer:Unknown

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  16. Lab Rats Season 2 Episode 23 - Prank You Very Much
    6.8/10(91 votes)

    S2:E23

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

    Director:Unknown
    Writer:Unknown

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  17. Lab Rats Season 4 Episode 8 - Forbidden Hero
    6.8/10(70 votes)

    S4:E8

    When Leo is injured during a mission, Tasha rushes to the academy to take care of him. After finding out what happens on missions, she bans Leo from joining any more missions, but he disobeys her and goes on a mission with the rest of the team. When Tasha finds out, she kicks Leo off the team and tells him that he is moving back to Mission Creek.

    Director:Unknown
    Writer:Unknown

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  18. Lab Rats Season 1 Episode 15 - Dude, Where's My Lab?
    6.9/10(97 votes)

    S1:E15

    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.

    Director:Unknown
    Writer:Unknown

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  19. Lab Rats Season 2 Episode 7 - The Rats Strike Back
    6.9/10(92 votes)

    S2:E7

    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.

    Director:Unknown
    Writer:Unknown

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  20. Lab Rats Season 3 Episode 24 - First Day of Bionic Academy
    6.9/10(82 votes)

    S3:E24

    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.

    Director:Guy Distad
    Writer:Bryan Moore

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  21. Lab Rats Season 2 Episode 6 - Bro Down
    7.0/10(84 votes)

    S2:E6

    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.

    Director:Unknown
    Writer:Unknown

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  22. Lab Rats Season 2 Episode 9 - Spike's Got Talent
    7.0/10(95 votes)

    S2:E9

    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.

    Director:Unknown
    Writer:Unknown

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  23. Lab Rats Season 2 Episode 11 - Hole In One
    7.0/10(88 votes)

    S2:E11

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

    Director:Unknown
    Writer:Unknown

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  24. Lab Rats Season 1 Episode 2 - Crush Chop and Burn (2)
    7.1/10(146 votes)

    S1:E2

    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.

    Director:Unknown
    Writer:Unknown

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  25. Lab Rats Season 1 Episode 6 - Exoskeleton vs. Grandma
    7.1/10(100 votes)

    S1:E6

    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.

    Director:Unknown
    Writer:Unknown

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Worst Episodes Summary

"Space Colony" is the worst rated episode of "Lab Rats". It scored 5.7/10 based on 90 votes. Directed by Unknown and written by Unknown, it aired on 1/20/2016. This episode scored 0.1 points lower than the second lowest rated, "Twas the Mission Before Christmas".