If you mean the Disney XD sitcom, well... It aired in the United States of America on February 25th, 2013, with the episode, "Speed Trapped". As of when I answered this, the series is going to have a one-hour special episode, titled "Bionic Showdown". So, yeah. You're about 13 (14 when Bionic Showdown premires on August 5th, 2013) episodes behind.
Lab Rats - 2012 The Rats Strike Back 2-7 was released on: USA: 8 April 2013
Lab Rats - 2012 Spy Fly 2-2 was released on: USA: 4 March 2013
Lab Rats - 2012 Avalanche 2-16 was released on: USA: 16 September 2013
Lab Rats - 2012 Inside Job 2-27 was released on: USA: 2014
Lab Rats - 2012 Trucked Out 2-12 was released on: USA: 8 July 2013
Lab Rats - 2012 Perry 2-0 2-20 was released on: USA: 11 November 2013
Lab Rats - 2012 Llama Drama 2-18 was released on: USA: 30 September 2013
Lab Rats - 2012 Speed Trapped 2-1 was released on: USA: 25 February 2013
Lab Rats - 2012 No Going Back 2-26 was released on: USA: 13 January 2014
Lab Rats - 2012 Adam Up 2-17 was released on: USA: 23 September 2013
Lab Rats - 2012 Hole in One 2-11 was released on: USA: 1 July 2013
Lab Rats - 2012 Bionic Showdown Part 2 was released on: USA: 5 August 2013