Overview
Everyone is shocked when Douglas introduces a fourth bionic sibling named Daniel who’s been living a normal life with an adopted family. Daniel later comes to the academy to meet his father, uncle, and cousins. After Daniel's bionics are accidentally activated by the Lab Rats, Donald and Douglas find out what happened they have to come clean to Daniel about his power-replicating abilities. Daniel also finds out that his cousins are actually his biologic siblings. Filled with anger, Daniel goes out for air on the beach, where Leo and him have a conversation about Douglas. Not too long after, Daniel, using Leo's abilities, accidentally causes a leak in the hydro-loop's fuel tank. After Adam and Daniel combined their powers to stop it, Douglas apologizes to Daniel for lying and Daniel decides to give Douglas a second chance.
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4 - 1Bionic Rebellion (1) March 18, 2015 -
4 - 2Bionic Rebellion (2) March 18, 2015 -
4 - 3Left Behind March 25, 2015 -
4 - 4Under Siege April 01, 2015 -
4 - 5Bionic Dog April 08, 2015 -
4 - 6Mission Mania April 15, 2015 -
4 - 7Simulation Manipulation April 22, 2015 -
4 - 8Forbidden Hero July 01, 2015 -
4 - 9Spider Island July 08, 2015 -
4 - 10Spike vs. Spikette July 15, 2015 -
4 - 11Lab Rats vs. Mighty Med July 22, 2015 -
4 - 12Space Elevator July 29, 2015 -
4 - 13Bionic Action Hero (1) August 05, 2015 -
4 - 14Bionic Action Hero (2) August 05, 2015 -
4 - 15One of Us August 12, 2015 -
4 - 16Bob Zombie September 30, 2015 -
4 - 17Human Eddy October 14, 2015 -
4 - 18The Curse of the Screaming Skull October 21, 2015 -
4 - 19On the Edge November 11, 2015 -
4 - 20Ultimate Tailgate Challenge December 02, 2015 -
4 - 21And Then There Were Four January 13, 2016 -
4 - 22Space Colony January 20, 2016 -
4 - 23The Vanishing (1) February 03, 2016 -
4 - 24The Vanishing (2) February 03, 2016