FBI agent Don Eppes recruits his younger brother, Charlie, a mathematical genius and college professor, to help solve some of Don's toughest cases. Although others at the bureau are skeptical of Charlie's involvement, he finds support in a colleague at the university where he teaches.
- Starring: Rob Morrow, David Krumholtz, Judd Hirsch, Alimi Ballard, Peter MacNicol
- TV Network: CBS
- Premiere Date: Jan 23, 2005
- Genre: Crime
- Executive producers: Ridley Scott, Tony Scott, Alex Gansa, Brooke Kennedy