Season 4 Episode 1

Trust Metric

Aired Friday 10:00 PM Sep 28, 2007 on CBS
out of 10
User Rating
258 votes

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Episode Summary

After the events of "The Janus List," Colby escapes from custody. Don and the team go after him, but everything may not be as it seems.

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  • The fourth season begins four weeks after the events of the season three finale. While en route to prison, Colby and Duane escape. Don and the team begin their pursuit of the two spies but soon realize things are not going the way they expected.moreless

    A very riviting and entertaining way to get the fourth season of Numb3rs started. It's good to see Peter McNicol back on the show and it's also good to not see Kathy Najimy. With all due respect to the actress, her character is a liability to the show everyone is better off without her. What also helps this episode is Val Kilmer's brief but very well acted guest appearance on the show. Kilmer's always been an actor who never quite had his due over the course of his career and I'm glad he has a chance to show his talent.moreless
  • Season Premire!

    It was awesome episode ever I watched. I heard it was expensive episode! Anyway, Charlie already starting to developing more of his character. He got new style of his hair. It is different than third season. I am not used to Charlie's new vision. Don think Colby is traitor and spy and now Don refused to trust anyone right now. Don won't get over of it for five weeks!! Colby was encouraged to escaped from prison along with Dwayne. Colby is pretty smart enough to call Charlie instead of Don, cuz FBI can't trace his cell that quickly. Charlie acted so shocked that he call him and ending of this episode, Colby is hero! Great Episode!moreless
  • Colby's story is told.

    I thought this one was even better the the Janus List. It kept me on the edge of my seat. I thought it was crazy what happen with Colby. I couldnt handle it through most of the episode. I had to keep pausing it to settle myself down. It was far and beyond better than Janus list.

    now i need to waste words i i i i i i ii i i i i i i i i i i i i ii i i i i i i ii i i i ii i i i haha that makes 101moreless
  • In this episode we learn that there is more to Colby than we thought.

    This episode shows to what extend Colby Granger is willing to go to do his duty. Serve and Protect is what he vowed to do. Even when he knows that his cover is down he still manage to be sarcastic. It's visible that he's afraid when Lancer began to explain what is going to happen to him, but he keep a tight lead on it. This episode shows us the soldier that he's been, the man willing to lose his life even if it's during his duty. The fact that when he couldn't get in touch with Kirkland he called Don is a proof that he trusts Don and his team very much.

    All in all, this episode was nerve-wracking, and full of suspens and it's one of my favourite in this shows.moreless
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Val Kilmer

Val Kilmer

Mason Lancer

Guest Star

Shawn Hatosy

Shawn Hatosy

Dwayne Carter

Guest Star

Gary Wilmes

Gary Wilmes

Michael Kirkland

Guest Star

Trivia, Notes, Quotes and Allusions


  • TRIVIA (11)

    • When Don and David enter the room with the unconscious Colby, David takes the syringe out of Colby's body and tells Don the syringe is full of potassium chloride. In the scene before, Mason Lancer drew the potassium out of a vial into the syringe while standing near the table. David couldn't have known what was in the syringe, as Mason had several chemical solutions in vials on the table and David only looked at the syringe, even before he had the chance to glance at the table.

    • When Lancer is preparing Colby's third injection, he's not wearing rubber gloves, but the close-up shows hands with gloves.

    • When Don is explaining the math to Charlie, Larry and Amita, he points with his right hand to the wall. In the very next shot, he is pointing with his left hand.

    • When Don enters the scene where Colby and Dwayne escaped, he pulls off his sunglasses. In the back shot, he's still wearing them.

    • Lancer's infrared car markings are "KL6HX9".

    • When David gets mad at Colby for being a spy in "Janus List," he says, "You're not a spy, you're a damn traitor." Yet, in "Trust Metric," when Don is reviewing the tapes of Colby's interrogation, David says "You're not a damn spy, you're a traitor."

    • Math used in this episode:
      Trust Metric
      Set Covering Deployment
      Illumination Problem

    • This episode picks up five weeks after "The Janus List."

    • Larry is seen wearing a wedding ring in the last scene, but he is not married.

    • "Trust Metric" is a term used by psychologists to determine the measure of trust one person has of another.

    • Opening Numb3rs:
      13 SHIPS
      3 DRUGS

  • QUOTES (12)

    • Carter: Granger, don't do this. It's not worth it for some secrets nobody will care about six months from now.
      Colby: Dwayne, I really wish somebody else had pulled me out of that fire.
      Carter: Why?
      Colby: 'Cause I hate owing you.

    • Mason Lancer: Do they know my name?
      Colby: Your name, your dog's name, your grandmother's name. Everyone knows everything.

    • Alan: Now that's the test isn't it: how you deal with a really close friend that lets you down.
      David: Mr. Eppes, he did not just forget to pick me up from the airport. He sold out his country.
      Alan: I don't want to get all 1960's on you, but I've heard that accusation tossed around a lot in my lifetime. Truth is, it's never that simple.

    • Charlie's grabbing an icecube out of Megan's drink.

      Megan: Yes, I was done with that.

    • David: (About Colby) I still don't know who he is. I didn't know him when he was a spy. Now he's some guy who pretended to be a spy, pretended to be my partner.

    • Colby: You don't trust me. I get that, all right? You have to understand that I trust you.

    • Dwayne: 'Member when I pulled your ass out of that Humvee?
      Colby: Yeah. You remember why?
      Dwayne: Sometimes I think the burns are payment enough for the things that we've done. Other times I know they're not.

    • Colby: What were you thinking trying to shoot it out with cops?
      Dwayne: I was thinking I'm gonna die before I go back to jail.

    • Charlie: Don, you have a big ego.
      Don: Thanks.
      Charlie: No, you have a ginormous ego.
      Don: Thanks.

    • Larry: Charles, the monks do not appreciate FBI agents knocking on their doors especially during morning contemplation.

    • Don: (About Dwayne Carter) Man! Colby just keeps owing this guy!

    • Alan: Isn't there a mathematical term for "removing the clutter"?
      Charlie: Yeah, we call it "removing the clutter."

  • NOTES (3)

    • International Airdates:
      The Netherlands: March 10, 2008 on Veronica
      Germany: March 30, 2008 on SAT 1
      Czech Republic: July 28, 2009 on TV Nova
      Finland: January 14, 2011 on Sub
      Slovakia: February 14, 2011 on JOJ

    • Cheryl Heuton and Nicolas Falacci's creator credits move back to their position directly after the series title with season four.

    • This episode was rated TV-PG (LV) in its first network broadcast.