Numb3rs Season 1于2005年上映。Numb3rs Season 1也被叫做數字追凶第1季, 數字追凶第一季, 數字追凶。

Rob Morrow扮演的FBI探員和他那具備超乎常人數學天才的弟弟Charlie一起偵破了在L.A發生的大範圍嚴重罪案。Charlie對案件獨特的思考方式讓Don的同僚Terry Lake 和David Sinclair 都感到十分驚訝。
與此同時，Don和Charlie的父親對於兩個兒子專註執著的個性會否使彼此在工作中產生摩擦感到擔心。Larry Fleinhardt 是Charlie的學院導師，他希望Charlie專註于學術研究而不是浪費無謂的精力幫助警方破案。
NUMB3RS將會通過真實的事例，反映數學理論是如何被應用到警方的調查之中，從而破解一件件匪夷所思的罪案。

Season 1, Episode 1: Pilot
23 January 2005
When a rapist proves a little too difficult to find for the FBI, Agent Eppes and Agent Lake utilize Agent Eppes' genius mathematician brother, Charlie, to discover the rapist's point of origin.

Season 1, Episode 2: Uncertainty Principle
28 January 2005
A pair of bank robbers are quietly taking LA by storm but Charlie delivers an equation that may predict their next location. But these bank robbers aren't as respectful as the bank videos reveal.

Season 1, Episode 3: Vector
4 February 2005
A deadly virus is spreading through LA and only Charlie's equations can determine how far and where the disease is spreading.

Season 1, Episode 4: Structural Corruption
11 February 2005
The mysterious suicide of a brilliant but unfocused CalSci engineering major leads Eppes and Charlie to the site of an iconic building.

Season 1, Episode 5: Prime Suspect
18 February 2005
A genius' (Harris) daughter is captured by two men looking to use his possible solution to a 150 year old math equation for heists.

Season 1, Episode 6: Sabotage
25 February 2005
An unknown terrorist is mimicking horrible train accidents and leaving a number code at the scene.

Season 1, Episode 7: Counterfeit Reality
11 March 2005

Season 1, Episode 8: Identity Crisis
1 April 2005

Season 1, Episode 9: Sniper Zero
15 April 2005
Sniper attacks are occurring across LA but are all the attacks the result of one inexperienced marksmen or is a fad of sniper killings infecting LA?

Season 1, Episode 10: Dirty Bomb
22 April 2005
A truck of nuclear materials is stolen by terrorists who intend to use the materials to make a bomb which would then be used on the city of LA. Only Charlie and Charlie's father Larry can save the city from a small nuclear blast.

Season 1, Episode 11: Sacrifice
29 April 2005
A senior computer-science researcher working on a classified government project is found murdered in his Hollywood Hills home and data has been stolen from his computer. The investigation reveals the victim was going through a bitter divorce and was trying to keep his wife from getting his money. Charlie also learns the project on which the man was working might have involved baseball.

Season 1, Episode 12: Noisy Edge
6 May 2005
A UFO is briefly seen flying through Los Angeles with no clear indication on what it is, but Agent Eppes discovers it was heading for the Staples Center and starts an investigation into the possibility of mass terrorism.

Season 1, Episode 13: Manhunt
13 May 2005

出演Numb3rs Season 1的明星有David, Rob。