While Leo and Adam focus on the gym, Chase and Bree wage a private war. After Chase uses his bionics to spy on Bree, he utilizes his Override App —making its series debut—to seize control of her movements.
“Adam wants to fight more people and Bree asks Leo what was wrong with him. Bree finds out Leo gave him power pellets and tells him that they would keep his adrenaline going.” Lab Rats Wiki [S1E8] Death Spiral Smackdown
In the episode " Death Spiral Smackdown " (Season 1, Episode 8), the Davenport siblings find themselves caught in a web of petty rivalries and questionable shortcuts. The episode highlights the friction between their bionic abilities and the desire to live "normal" teenage lives at Mission Creek High. Episode Highlights While Leo and Adam focus on the gym,
Leo attempts to use Adam’s super strength to win a school competition. When Adam initially refuses to cheat, Leo tricks him into eating "power pellets" that activate his bionics, leading to an ultra-competitive "smackdown" against a massive student named Destructo. Bree finds out Leo gave him power pellets
“It features the first appearance of Caitlin as well as the only appearance of Gordo. It also marks the first appearance of Chase's Override App.” Lab Rats Wiki
Fans often point to this episode for its introduction of significant tech and recurring characters: