Criminal Minds premiered as a TV show.
CBS ( an initialism of the network 's former name , the Columbia Broadcasting System ) is an American English language commercial broadcast television network that is a flagship property of CBS Corporation . CTV is an English-language broadcast television network in Canada launched in 1961 . Criminal Minds . It premiered on September 22 , 2005 , on the broadcast network CBS and October 5 , 2005 on CTV .