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The Best Episodes of Threshold Season 1

Every episode of Threshold Season 1 ranked from best to worst. Discover the Best Episodes of Threshold Season 1!

Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.

Genres:Sci-Fi & FantasyDramaAction & Adventure
Network:CBS

Season 1 Ratings Summary

The best episode of "Threshold" season 1 is "Trees Made of Glass (1)", rated 7.4/10 from 191 user votes. It was directed by David S. Goyer and written by Bragi F. Schut. "Trees Made of Glass (1)" aired on 9/16/2005 and is rated 0.1 point(s) higher than the second highest rated, "Trees Made of Glass (2)".

  • Trees Made of Glass (1)
    7.4/10 191 votes

    #1 - Trees Made of Glass (1)

    Season 1 Episode 1 - Aired 9/16/2005

    A mysterious alien object attacks a Naval ship and crew. Dr. Molly Anne Caffrey, a government contingency analyst, is contacted by the Deputy National Security Advisor, J.T. Baylock, to investigate the incident along with a special scientific team of her choice.

    Director: David S. Goyer

    Writer: Bragi F. Schut

  • Trees Made of Glass (2)
    7.3/10 159 votes

    #2 - Trees Made of Glass (2)

    Season 1 Episode 2 - Aired 9/16/2005

    Gunneson reappears in Caffrey's house. Meanwhile, Lucas, Nigel and Ramsey try to break down how the alien signals and DNA operate and come up with some interesting theories. Cavennaugh's team tries to locate Gunneson other shipmates.

    Director: Peter Hyams

    Writer: Brannon Braga, David S. Goyer

  • Blood of the Children
    7.1/10 157 votes

    #3 - Blood of the Children

    Season 1 Episode 3 - Aired 9/23/2005

    When a man at a fast-food restaurant is found with his head imploded, Molly and her Red Team investigate and begin to suspect the involvement of a group of military cadets, and the discovery that the infection has spread beyond the original Big Horn crew.

    Director: Bill Eagles

    Writer: Anne McGrail

  • The Burning
    7.2/10 136 votes

    #4 - The Burning

    Season 1 Episode 4 - Aired 9/30/2005

    A patient at an psychiatric hospital in Ohio escapes and Molly believes he may have been infected by the alien signal after paintings of glass trees are found in his cell. After further investigation, it is suspected one of the missing Big Horn crew might be involved.

    Director: N/A

    Writer: Dan O'Shannon, Brannon Braga

  • Shock
    7.0/10 132 votes

    #5 - Shock

    Season 1 Episode 5 - Aired 10/7/2005

    After a shipyard gang bust, a suspected fugitive Big Horn crewmember kills a police detective. Molly and Cavennaugh go undercover as Homeland Security agents. Unbeknownst to them, the real Homeland Security department is on the case.

    Director: Tim Matheson

    Writer: André Bormanis

  • Pulse
    7.0/10 128 votes

    #6 - Pulse

    Season 1 Episode 6 - Aired 10/14/2005

    As the signal from the Big Horn invades a Miami rave, the team investigates who have been infected, trying to prevent the signal from spreading to the population.

    Director: Bill L. Norton

    Writer: Michael Sussman

  • The Order
    7.3/10 119 votes

    #7 - The Order

    Season 1 Episode 7 - Aired 10/21/2005

    Molly and Cavennaugh investigate a newspaper leak regarding the Threshold program which might turn out to be an inside job. The Red Team look into a case of residents of a small town dreaming of trees made of glass.

    Director: Norberto Barba

    Writer: Anne McGrail

  • Revelations
    7.2/10 124 votes

    #8 - Revelations

    Season 1 Episode 8 - Aired 11/4/2005

    Molly and Cavennaugh discover some strange happenings in a missing Big Horn crew member's hometown when they investigate the disappearance of a Threshold field agent.

    Director: Thomas J. Wright

    Writer: Andrew Colville, Amy Berg

  • Progeny
    7.2/10 122 votes

    #9 - Progeny

    Season 1 Episode 9 - Aired 11/22/2005

    When three women from completely different walks of life appear to be infected, Molly and the Red Team discover the connection among them and must locate the common cause.

    Director: David Jackson

    Writer: Barbara Nance

  • The Crossing
    7.3/10 117 votes

    #10 - The Crossing

    Season 1 Episode 10 - Aired 1/11/2006

    Molly and Baylock realize the Threshold detainees must be moved immediately to a more secure facility in West Virginia when a prisoner attacks and infects a security guard, then tries to break himself and other infected prisoners out of their cells.

    Director: Paul Shapiro

    Writer: Bragi F. Schut

  • Outbreak (a.k.a. Escalation)
    7.5/10 131 votes

    #11 - Outbreak (a.k.a. Escalation)

    Season 1 Episode 11 - Aired 1/18/2006

    Lucas is infected with the alien DNA from something he ate. The infectees have harvested crops with the alien DNA. Caffrey must find a way to stop what could be nearly 200 new infectees. Also, one of the aliens approaches her with an interesting revelation.

    Director: Félix Enríquez Alcalá

    Writer: Dan O'Shannon

  • Vigilante
    7.6/10 130 votes

    #12 - Vigilante

    Season 1 Episode 12 - Aired 1/25/2006

    When a number of infectees and seemingly innocent people are killed, it becomes apparent that someone is going after people affected by the alien signal, and is locating them via their heightened brain waves. How is the killer linked to Bighorn crewman Manning, and does his method of finding his victims mean that Molly, Cavennaugh or Lucas could be next on his list?

    Director: John F. Showalter

    Writer: Michael Sussman

  • Alienville
    7.5/10 136 votes

    #13 - Alienville

    Season 1 Episode 13 - Aired 2/1/2006

    Molly Caffrey and Cavennaugh go out to a town call Allenville in search of a Doctor who they think is infected and find more then they were looking for. Meanwhile things at threshold get heated with the pregnancy of the infected woman coming to an end.

    Director: Oz Scott

    Writer: Anne McGrail