Sabrina Lloyd played Terry Lake, an agent, in this season; she was later replaced by Diane Farr, who played Megan Reeves. Charlie is challenged on one of his long-standing pieces of mathematical work and also starts work on a new theory, Cognitive Emergence Theory.
Also, Charlie and Amita disagree on a wedding date while Don re-evaluates his relationship with Robin.
Brothers Ridley and Tony Scott produced Numbers; its production companies are the Scott brothers' Scott Free Productions, CBS Television Studios (originally Paramount Network Television, and later CBS Paramount Network Television).
The show focuses equally on the relationships among Don Eppes, his brother Charlie Eppes, and their father, Alan Eppes (Judd Hirsch), and on the brothers' efforts to fight crime, normally in Los Angeles.
Don and the team go on a manhunt to protect Polk and stop the sniper.
Season 6, Episode 2 CC TV-PG HD SD Two FBI agents are killed during a shootout with bank robbers.
Amita receives an offer for an assistant professor position at Harvard University, but is plagued by doubt as her relationship with Charlie is challenged and her career is in upheaval.