6 Season
118 Episode
Numb3rs - Season 4 Episode 18 When World's Collide
We all use Math every day
In the season finale, Don and Charlie work together on a case that ends up with them going head to head about their personal beliefs, and one team member will walk away forever.
- Year: 2010
- Country: United Kingdom, United States of America
- Genre: Crime, Drama, Mystery
- Studio: CBS
- Keyword: fbi, mathematician, genius, los angeles, california, crime investigation
- Director: Nicolas Falacci, Cheryl Heuton
- Cast: Rob Morrow, David Krumholtz, Judd Hirsch, Alimi Ballard, Peter MacNicol, Navi Rawat