S3 - Stark, schnell, schlau Crush, Chop, and Burn: Part 1 (2012–2016) watch online HD

Leo moves in with billionaire stepfather, Donald Davenport. In an attempt to find his room in the new house, he stumbles into the lab where he finds super-humans, Adam, Bree, and Chase. They each have unique superpowers, Adam with super strength and heat rays coming from his eyes, Bree with super speed & agility, and Chase with a super computer brain. Leo realizes he just found some new superhuman friends and convinces Mr.Davenport to let his new friends go to school, when all goes awry. The main point of the show is to express their adventures and missions, inventions, and Leo trying to become part of the Lab Rats team.