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Fanmade Content Rules

  • No inappropriate language/profanity. (think first: is this something you'd say to a little kid?)
  • Content must relate somehow to Lab Rats.
  • Content cannot contain inappropriate content.
  • Do not create content that will offend anybody and/or scare someone.
  • Do not any disturbing content. (talking religion, disturbing stories, politics, etc.)
  • You must follow the Posting Layout seen below before posting. (A warning will result if not followed)
  • Do not edit any content that is not yours.

Posting Layout (must follow)

When posting your fanmade crossover, you must follow this layout.

== Crossover Title | By: Person ==

Any subheading needed can be added in with

=== Subheading Title ===

Please use this layout to avoid confusion. If you are seen ignoring it, it'll result in a warning.

Fanmade content starts below this line

Lab Rats Undercover

The Rats have a mission in Washington D.C. They meet the Coopers on a mission. K.C. develops a crush on Adam.


Main Characters
  • Billy Unger as Chase
  • Spencer Boldman as Adam
  • Kelli Berglund as Bree
  • Tyrel Jackson Williams as Leo
  • Hal Sparks as Donald
Guest Stars
  • Zendaya as K.C.
  • Kamil McFadden as Ernie
  • Trinitee Stokes as Judy
  • Tammy Townsend as Kira
  • Kadeem Hardison as Craig


  • This is Lab Rats' second crossover.
  • This is counted as a K.C. Undercover episode too.
  • This is Zendaya & Spencer Boldman's second time working together, after Zapped.

Lab Rats vs. Lab Rats

The Lab Rats have to save their true biological father, Vincent Davenport, from Jack Ryder, a supervillain who wishes to put bionic humans into extinction, but they also discover that Vincent has four other children named after them, after a brawl with his brother, Daniel Davenport.


Main Cast
  • Billy Unger as Chase Davenport
  • Spencer Boldman as Adam Davenport
  • Kelli Berglund as Bree Davenport
  • Tyrel Jackson Williams as Leo Dooley
  • Hal Sparks as Donald Davenport
  • Brandon Frangipani as Vincent Davenport
  • Damien Johnson as Alternate Leo Dooley
  • Matt Drury as Alternate Chase Davenport
  • Unknown as Alternate Adam Davenport
  • Unknown as Alternate Bree Davenport
Recurring Cast
  • Jeremy Kent Jackson as Douglas Davenport
  • Mateus Ward as Marcus Davenport
  • Graham Shiels as Victor Krane
  • Various as Jack Ryder's SIA Agents
Guest Cast
  • Brandon Frangipani as Jack Ryder (main antagonist)
Mentioned Cast
  • Brandon Frangipani as Daniel Davenport


  • This differs from Hidden Bionics and Secrets Revealed.
    • This is because of the online web series leading to this episode.
    • This is the also the new Season 5 premiere, while the old one will still be shown on TV.

Andre132's Fanmade Season 4

Mighty Rats: Part 1

Kaz, Oliver, Skylar and Alan take the lab rats, Donald, Douglas and the students to Mighty Med. They soon all get to know each other but when Leo visits The Domain, he accidentally hits Gus with a laser sphere.

Main Cast:

Recurring Cast:

Special Guest Cast:

Mighty Rats: Part 2

Special Agent Graham shows up and the team has to work together to defeat all the agents. Donald uses his new powers Horace gave him. Leo and Gus sneak through the vents to try and get to the main room.

Main Cast:

Recurring Cast:

Special Guest Cast:

Undercover on the Bionic Island

K.C., Judy and Ernie has to go on a mission on the Bionic Island, because the Organization wants Bionic kids to go on spy missions. So, K.C., Ernie and Judy have to study them. The Other Side want Bionic Kids too. So, Brett goes to the Island and takes Bob and Spin. Adam, Bree, Chase and Leo look for them and bumps into the Coopers. Adam and Chase has a crush on K.C. Adam, Bree, Chase and Leo tells the Coopers that they're looking for Spin and Bob. Chase sees their GPS location all the way in Egypt. Brett left a note that says "Meet me in Eygpt or I bomb the whole academy". So, they get to Egypt and the Coopers are shocked that they see Brett. And, Brett has Bionic powers (speed, heat vision and freeze breath) he takes out everyone except K.C. She tricks him by making him falling of the Pyramid.

Recurring Cast:

Zendaya as K.C.

Kamil McFadden as Ernie

Trinitee Stokes as Judy


Veronica Dunne , Tammy Townsend , and Kadeem Hardison

Special Guest Cast:

Billy Unger as Chase

Spencer Boldman as Adam

Kelli Burgland as Bree

Tyrel Jackson Williams as Leo

Hal Sparks as Donald

Guest stars: 

Ross Butler as Brett Willis


Second time Zendaya and Spencer Boldman been together since "Zapped "

Second Lab Rats crossover

This counts as a K.C. Undercover episode

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