| The Unit | |
|---|---|
| Season 4 | |
 DVD cover | |
| No. of episodes | 22 |
| Release | |
| Original network | CBS |
| Original release | September 28, 2008 – May 10, 2009 |
| Season chronology | |
The fourth and final season of The Unit started on September 28, 2008, and concluded on May 10, 2009. The season included 22 episodes and introduced Bridget Sullivan (Nicole Steinwedell) and Sam McBride (Wes Chatham), new members to the unit and the team.
A fifth season was planned as the show's last. However, on May 19, 2009, a week after the season finale, CBS declined to renew the series along with Without a Trace.[1][2]
For the 2008-09 U.S. television season, the fourth season of The Unit ranked #43 with an average of 10 million viewers.[3]
- ^ ""The Unit," "Earl," "Medium" get the ax". Reuters. May 20, 2009. Archived from the original on September 27, 2009. Retrieved July 2, 2017.
- ^ "The Unit: CBS Cancels Dennis Haysbert Series, No Season Five". TV Series Finale. May 19, 2009.
- ^ "SEASON PROGRAM RANKINGS (THROUGH 5/17)". ABC MediaNet. May 19, 2009. Archived from the original on June 23, 2009. Retrieved July 16, 2010.