MK Ultra (also known as "MKU" or "MK Ultra OG") is a potent indica-dominant hybrid cannabis strain bred by T.H. Seeds. It is famous for its fast-acting, heavy-handed, and hypnotic "couch-lock" sedation.Named after the infamous Cold War-era CIA mind-control program, this strain won 1st place for Best Indica at the High Times Cannabis Cup in 2003.