Trama

A scrawny 14-year-old, having discovered his inventor stepdad has three bionic, super-powered teens living cloistered in a secret lab beneath their home, brings them out into the world.

When 14-year-old Leo's mom Tasha Dooley marries billionaire inventor Donald Davenport, he moves up in the world, but neither he nor his mom in their wildest dreams imagine that Leo will soon find three bionic super-powered teenagers - Adam, Bree and Chase - living within a secret lab beneath the inventor's expansive home. Now Leo has three older "siblings" to watch out for him while he introduces them to the outside world. School life and super-adventures await them all.—statmanjeff

Donald Davenport built a training area for hundreds of students to train and go on missions But one day leo quits the academy and goes home but Chase, Adam , Bree ,Douglas , and Donald are hanging off the edge of the golden gate bridge and leo goes to save his family

After Tasha Married Donald Davenport, a Multi-Millionare with his own company, she moves in with him and her son. But when her son realizes he actually has 3 bionic kids living in his basement he introduces them to the world ... But can they keep the secret that there bionic?

A young teenager named Leo Dooley lived a normal life until the day his mother Tasha gets remarried to billionaire inventor Donald Davenport, whom they move in with. While trying to find his bedroom, Leo accidentally discovers teenage siblings with bionic powers living in his new basement. The show follows the bionic teens as they unravel in adventurous situations in an attempt to live life like a normal family in the fictional town of Mission Creek, California. As the show progresses in the second, third, and fourth seasons, it gets darker with the introduction of Donald's younger brother Douglas Davenport who later joins the Lab Rats' side, Douglas' android son, Marcus Davenport, Victor Krane, Taylor (formerly known as S-1), who joins the Lab Rats during the fourth season, Sebastian (formerly known as S-3), Krane's bionic soldiers, Giselle, who's planning on rebuilding Marcus, and Troy West, Giselle's android creation. At the end of the third season, Donald opens up a bionic academy on a bionic island to train Krane's bionic soldiers to be the world's new bionic heroes.