During the final round of the Death Spiral Smackdown, Chase takes control of Adam using the Override App, to prevent him from harming Leo.
Davenport arrives and demands Douglas to leave due to his past behavior, despite him rescuing Adam, Bree, and Chase. Once Chase snaps out of it, he manages to disable Adam and Bree's Triton Apps. Krane's evil cohort, Dr. Gao, reveals their plan to wipe out and replace Earth's population with a bionic civilization. Chase alters one of Davenport's cyborg security sharks with hover technology so it will float, and he and Adam unleash it in the house to scare Leo in front of Janelle. As more explosions take place, Perry stays behind with Douglas while Chase, Adam, and Bree continue the search. During a lunar eclipse, Principal Perry arrives at the house to inform everyone that aliens are on the planet, much to everyone's shock.
However, Leo subsequently suffers the side effect of accelerated aging. Leo uses Chase's new ePhone 7 to film a video of Chase and Adam using their bionics for bowling stunts in the lab, but Chase later loses the phone at Tech Town while working. After receiving her hush money from Davenport, Principal Perry uses it to purchase a new car. 3:31. The Four: Battle for Stardom Meanwhile, Chase is eligible to receive a job on an environmental task force committee, but first must have an interview with the U.S. president, who comes to the island with the committee members to conduct the interview. When Leo's weapon malfunctions and stops shooting, he decides to use his bionic arm to throw the snowballs, but Grandma Rose shows up just as he does so. Viewing them as weapons of mass destruction, Graham intends to hold Adam, Bree, and Chase indefinitely in separate facilities, while Davenport will be taken away pending Graham's final report of the situation. With time running out before the satellite transmission, Douglas tells Chase, Adam, and Bree that they can perform a risky move in which they fuse their abilities together to stop Krane.
Later, the family sees the destruction that happened to the lab and is upset.
When the fire alarm goes off during a drill, Bree complains about the noise due to her heightened sense of hearing which Chase has conditioned himself to. When he starts fighting with Adam, she activates her Commando App and thinks Chase is her baby. On Christmas Eve, Davenport learns that one of his research facilities near the North Pole is experiencing aftershocks following a volcanic eruption. Three weeks later, Chase, Adam, and Bree refuse to talk to each other, but they are forced into action when Krane plans to use his own version of the Triton App to control everyone in the world, in addition to the bionic army that is under his control. Bionic Dog (412) - April 8, 2015 5. After Perry learns that Regina likes pottery, she repeatedly has Bree secretly use her super speed to travel around the world and retrieve pottery, which Perry claims as her own collection. Meanwhile, Adam and Leo send out a drone to pick up a pizza from the mainland, but it also brings back a young boy named Reggie, who grabbed hold of the device. Douglas eventually restores the students to their original selves and is convinced that it is best not to increase their intelligence, as doing so also alters their personalities and interests. Chase, Adam, and Bree go on strike with Leo as their leader due to Davenport's refusal to give them a day off. Davenport is about to take back the truck, but he and Adam decide to keep it and take a joyride. in series section tells what number the episode is in Lab Rats; No. Chase, Adam, and Bree discover they have secret bionic abilities, but when they confront Davenport, they find out that he does not know what their secret abilities are or when they will become known. Douglas gives Bree a Commando App and she and Spikette begin battling each other. Caitlin, who does not like crowds, is overwhelmed by the large number of customers trying to get the last ePhone, and she angrily destroys it while trying to make them realize their obsession with technology.