Season 4 Episode
- Season 3 Sink or Swim (1)
- Season 3 Sink or Swim (2)
- Season 3 The Jet-Wing
- Season 3 Mission: Mission Creek High
- Season 3 Zip It
- Season 3 Not So Smart Phone
- Season 3 Scramble the Orbs
- Season 3 Principal from Another Planet
- Season 3 Taken
- Season 3 Three Minus Bree
- Season 3 Which Father Knows Best?
- Season 3 Cyborg Shark Attack
- Season 3 You Posted What!?! (1)
- Season 3 You Posted What!?! (2)
- Season 3 Armed and Dangerous
- Season 3 Alien Gladiators
- Season 3 Brother Battle
- Season 3 Spike Fright
- Season 3 Face Off
- Season 3 Merry Glitchmas
- Season 3 Rise of the Secret Soldiers (1)
- Season 3 Rise of the Secret Soldiers (2)
- Season 3 Bionic House Party
- Season 3 First Day of Bionic Academy
- Season 3 Adam Steps Up
- Season 3 Unauthorized Mission
Lab Rats - Season 3 Episode 17 Brother Battle
8.08 22 minutes Chase feels that it is unfair to be picked on by Adam every time and tells Donald. Douglas overhears and unlocks a new ability for Chase, upsetting the balance in the house. Douglas tries to fix things by giving Adam a new ability as well, but Adam and Chase end up fighting with one another. Meanwhile, Bree tells Leo about a contest at Tech Town as they are about to hit their one-millionth customer and Leo competes to ride on the first anti-gravity roller coaster and meet the owner of Tech Town. Principal Perry tries to compete to crush Leo's dream. In the end, Chase and Adam have a death battle, but eventually forgive each other and find out that Douglas gave Bree the ability to go invisible, scaring everyone in the lab.
