Lost in Space: Season 1, Episode 2

The Derelict (22 Sep. 1965)

TV Episode  -   -  Adventure | Comedy | Family
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Ratings: 7.2/10 from 75 users  
Reviews: 5 user | 1 critic

The Jupiter 2 is pulled into a giant ship occupied by bubble like creatures.


(as Alex Singer)


(teleplay), (story), 1 more credit »
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Title: The Derelict (22 Sep 1965)

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Episode cast overview:
Will Robinson (as Billy Mumy)


Heat from an approaching comet nearly spells doom for Maureen and John who are stuck outside the ship after a rescue and repair operation. Afterwards, Will and Dr. Smith make a first-contact encounter with aliens when a gigantic and seemingly derelict spaceship pulls the Jupiter 2 inside itself. Written by statmanjeff

Plot Summary | Add Synopsis




Release Date:

22 September 1965 (USA)  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:

(RCA Sound Recording)

Aspect Ratio:

1.33 : 1
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Did You Know?


The only episode of the series without a teaser segment at the beginning. It starts with the title sequence and then moves directly into the first act. The episode's title and writer and director credits, usually shown at the beginning of the first act, are displayed at the beginning of the second. See more »


The title of this episode is a misnomer. A derelict is an abandoned vessel, yet there were live aliens aboard. See more »


[With John and Maureen passed out from the heat of an approaching comet, Don struggles to open the jammed hatch door and pull them inside]
Dr. Zachary Smith: I hope you children are more familiar with the navigation of this ship than I am.
Will Robinson: Why?
Dr. Zachary Smith: Well, if the heat out there should affect out pilot...
Will Robinson: [angrily] D'you always have to say things like that?
See more »

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User Reviews

fine music and visuals
10 October 2008 | by (New York City) – See all my reviews

Many like to cite (justifiably so) the music of John Williams (principly from episodes one, three, and seven) as one of the great assets of "Lost in Space," but episode two, "The Derelict," boasts a fine score from the often overlooked Herman Stein. No stock music here; he wrote this beautiful programme music particularly for this episode, and it considerably heightens the dramatic qualities of many scenes, along with much of the almost 'noir' lighting. One can tell that Stein was well acquainted with the dissonance of Stravinsky, Bartok and the like, and put his knowledge of classical composition and orchestration to good use.

Many of the scenes are almost like a silent movie: music and visuals with little or no dialog characterise long stretches in the narrative, and with fine results. The acting is average but adequate, with the exception of Jonathan Harris whose sinister portrayal of Dr. Smith (not at all the camp incarnation that would later become world famous) is a marvel to behold. His modulation of voice and expression makes him by far the most compelling character in these early episodes. The second half of "The Derelict" is unquestionably an early inspiration for Ridley Scott's "Alien" film (1979) with its semi-organic alien spaceship interiors.

A fine sophomore effort in a series that quickly degenerated into a silly competitor with "Batman," originally aired at the same time on a rival network in the United States.

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