House M.D. (2004–2012)
2 user 1 critic

Need to Know 

House and the team must determine what is causing an increasingly deceitful patient's muscle flailing. Stacy makes a decision, and Cameron avoids a test.



(created by), (as Pamela Davis)

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Episode cast overview:
Mark Warner
Ted Dalton
Margo Dalton
Holly Daniels ...


Ted Dalton brings in his domineering wife Margo, a hyperactive entrepreneur and housewife committed to a demanding fertility treatment, with uncontrollable spasms. In order to complete the diagnosis and save her life, he must face a secret she holds dearer than life. Meanwhile he forces Cameron to face her HIV test. After an affair with the hospital lawyer, Stacy Warner, they could have a future together. This can only happen if she divorces her husband Mark, who is in a wheelchair but knows about their adultery and desperately wants her back. Written by KGF Vissers

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Drama | Mystery


TV-14 | See all certifications »

Parents Guide:





Release Date:

7 February 2006 (USA)  »

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


Elle Fanning plays the daughter of the patient. Her older sister, Dakota Fanning, was a costar of Jesse Spencer (Dr. Chase) in the movie Uptown Girls (2003). See more »


During the seizure at the beginning of the episode, when the husband opens the car door, you can see the reflection of a camera man with a baseball cap on the side of the car, looking through his eyepiece, as well as someone leaning behind him. See more »


Dr. Gregory House: Cocaine with a PG rating.
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References Vertigo (1958) See more »


Dr. House - Titelsong
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User Reviews

How deceitful
4 September 2006 | by See all my reviews

Julie (DOC Hollywood) Warner adds some real class to an episode that has more than its share of bizarre occurrences. The episode's title NEED TO KNOW fits more than just Warner as a so-called supermom who has built up a wall of lies the team must break through in order to save her from herself. It also refers to Cameron's hesitancy to take her HIV test as the result of a mishap in the AIDS patient episode. House really lets his temper fly with Warner, in a manner we haven't seen pretty much since the pilot episode, when he locked horns with another terrific actress, Robin (THE CRAFT) Tunney. Hugh Laurie, himself a movie actor, often seems to play best against fellow movie performers.

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