Season
Season 6 Episode
- Season 4 Trust Metric
- Season 4 Hollywood Homicide
- Season 4 Velocity
- Season 4 Thirteen
- Season 4 Robin Hood
- Season 4 In Security
- Season 4 Primacy
- Season 4 Tabu
- Season 4 Graphic
- Season 4 Chinese Box
- Season 4 Breaking Point
- Season 4 Power
- Season 4 Black Swan
- Season 4 Checkmate
- Season 4 End Game
- Season 4 Atomic No. 33
- Season 4 Pay to Play
- Season 4 When World's Collide
Numb3rs - Season 4 Episode 14 Checkmate
7.04 45 minutes Don runs into Robin Brooks during an investigation concerning informants and a chess master.
