: Marcus is revealed to be an android created by Douglas, possessing all the Lab Rats' powers combined. He is seemingly destroyed at the end of the episode.
: With the bionic teens captured and stripped of their powers, Douglas prepares to use the Triton App to gain total mind control over them. Leo, vindicated after his long-standing suspicion of Marcus, must team up with Eddy to launch a rescue mission. Key Revelations & Character Developments [S2E14] Bionic Showdown: Part 1-2
" Bionic Showdown " (Season 2, Episode 14) is a pivotal one-hour special in the Lab Rats series that originally aired on August 5, 2013 . It serves as a major turning point, revealing the true origins of the bionic trio and introducing their primary antagonist, Douglas Davenport. : Marcus is revealed to be an android