“The Unit” is an action/drama television series and there have been 4 seasons of the show. The theme music of the show for the first two seasons was different it was a song called "Fired Up, Feels Good” by Robert Duncan which was an adaptation of Running cadence. After that Robert Duncan also sang "Walk the Fire” which is 22 seconds long. This song has been used as the theme song after the third season instead of the old one.
