The series stars Piper Perabo and Christopher Gorham as CIA agents. The first half of the fourth season averaged nearly 4 million viewers an episode, putting it among the Top 10 scripted cable series of the summer.
"No other series on television travels the globe to tell a story like 'Covert Affairs,' and we are pleased to bring it back for another season," USA president Chris McCumber said in a statement. "With its intricate storytelling, diverse characters and authentic locations, the series continues to be a cornerstone in our line-up of USA's original signature dramas."
The final six episodes of the season finds Annie (Perabo), who faked her death in the show's summer finale, now living off the grid and looking for a way to bring Henry Wilcox (Gregory Itzin) down.