Re-Used Building Interiors
by Jörg Hillebrand and Bernd Schneider
Many sets used in Star Trek were later modified or even recycled without changes to represent a different building. Here are a couple of examples. Please note that everything should be taken with a grain of salt. Certainly we are not supposed to watch closely enough to see that two different locations look the same.
The wall with its characteristic square segments at Starbase 11 in TOS: "The Menagerie, Part I" reappears on Argelius in "Wolf in the Fold" and on Platonius in "Plato's Stepchildren".
Wall with star pattern
The same wall can be seen in Kor's office on Organia in TOS: "Errand of Mercy" and behind Sylvia's throne in "Catspaw".
Wall with embedded pipes
A technical looking wall piece appeared in several Star Trek films, including "Star Trek: The Motion Picture", "Star Trek II: The Wrath of Khan" and "Star Trek III: The Search for Spock", and multiple times in each of the films. A very similar wall could be seen in TNG: "Hide and Q" and got re-used in several later episodes, including "Too Short a Season" on Mordan IV, "A Matter of Honor" on the Klingon ship, "The High Ground" on Rutia IV, "Liaisons" on the crashed freighter and VOY: "Rise" on the Etanian ship. While the scale of the TNG version may be different, the pattern is nearly identical. Also, all possibly different versions of the wall seem to include the sonobuoy container.
The illuminated wall of the 21st century courtroom in TNG: "Encounter at Farpoint" later appears as the Edo hall in TNG: "Justice".
Wall with round window
The same partial set can be seen on the Tarellian ship in TNG: "Haven", on Aldea in "When the Bough Breaks", in Manheim's lab in "We'll Always Have Paris" and on Gagarin IV in "Unnatural Selection".
The round base on top of which the distortion formed in TNG: "We'll Always Have Paris" was originally seen aboard the Batris in TNG: "Heart of Glory" where it formed part of the ceiling of the Talarian warp core.
Wall with narrow windows
The wall in Groppler Zorn's office in TNG: "Encounter at Farpoint" reappears on Relva VII in "Coming of Age", as well as in the transporter room of the Klingon Bird-of-Prey in "Star Trek V".
Ribbed wall and windows
The windows and the ribbed wall panels can be seen on Aldea in "When the Bough Breaks" and on Relva VII in "Coming of Age". The window also appears on Angel I in "Angel One", on Gagarin IV in "Unnatural Selection" and, now with horizontal orientation, on Gravesworld in "The Schizoid Man".
Klingon wall and window
A red ribbed wall appeared in the mess hall on the Klingon Bird-of-Prey Pagh in "A Matter of Honor". The wall and an additional window could be seen in the Klingon Rite of Ascension simulation in "The Icarus Factor". Both the window and the ribbed wall panels then appeared in TNG: "The Vengeance Factor". The window and part of the wall panels showed up on Rutia IV in TNG: "The High Ground". A single rib element of the wall appeared above a door in the Old City on Qo'noS in TNG: "Sins of the Father", while a structured panel could be seen in a nearby location.
Decorated stone wall
The walls and wall panels in the Risian resort in "Let He Who Is Without Sin" were previously seen in DS9: "To the Death" in the Iconian ziggurat.
Wall/window element with hexagonal holes
Small round and hexagonal windows and corresponding wall elements appear on Risa "Let He Who Is Without Sin". The same window/wall panels were later seen on Son'a starships in "Star Trek: Insurrection". These windows would also reappear in the Risian nightclub in "Two Days and Two Nights", so there is a certain Risian design continuity here. Finally, we can see the wall in ENT: "These Are The Voyages", just before Archer delivers his speech.
The wall element with curved struts (which can also serve as a window) is used by the Kazon in VOY: "Alliances", then appears in the lodge of the Mikhal Traveler in "Darkling" and finally in Chaotica's lab in "Shattered".
The same wall with irregularly arranged riveted patches can be seen in at least three Voyager episodes. A similar wall appears in DS9: "Honor Among Thieves".
Nub wall with trusses
This wall can be seen in VOY: "Time and Again" for the first time. It is repainted or otherwise restyled for several later Voyager episodes.
A big wooden door on Qo'noS in ENT: "Broken Bow" becomes a door on P'Jem in ENT: "The Andorian Incident".
The same staircase can be seen in Ard'rian McKenzie's house in "The Ensigns of Command" and in the Uxbridge house in "The Survivors".
Round floor/ceiling element
The round floor element of the phaser training range in TNG: "A Matter of Honor" appears to be the same as the ceiling of the operating room in "Samaritan Snare". The phaser range will appear once more with slight changes, in "Redemption I".
The triangular structure in the ceiling of the Tamarian ship in "Darmok" can also be seen above the mud bath in TNG: "Cost of Living".
The same corridor with a round cross-section can be seen in TNG: "The Neutral Zone", TNG: "The Hunted", TNG: "Sins of the Father" and TNG: "Future Imperfect".
The corridors that can be seen in VOY: "Time and Again" and "The Phage" are quite possibly still the same set.
This set can be seen four times altogether, in TNG: "Masks" as Masaka's temple, in DS9: "Blood Oath" as the hall of the Albino, in DS9: "The House of Quark" as the Great Hall on Qo'noS and in DS9: "Meridian" as the hall on Meridian. A stairway with a throne is located at one narrow side of Masaka's temple. The same stairs can be seen again in the Albino's hall, but here the throne has been replaced with a door. The next time we see the set in "The House of Quark". According to the DS9 Companion only a part of the set was built up, obviously the one without the stairway that is missing in the episode. The hall was enlarged by adding lateral corridors. In "Meridian" the big stairway is not visible either. There are corridors on both sides again, and the hall was opened at one end. It is interesting to note that the matte painting we could originally see as Carraya in TNG: "Birthright" was modified to comply with the features of the 1:1 scale set.
This set can be seen twice. It is possible that parts of the above big hall were re-used, a set that existed two seasons earlier. The first time is in DS9: "Apocalypse Rising" where the hall is supposedly aboard the Ty'Gokor station. Note that curiously the Klingon emblem is backwards on the screen cap. For some reason this one shot was reversed. The second time a few episodes later in DS9: "Looking for par'Mach in all the Wrong Places" essentially the same set represents a hall in the legendary city of Qam-Chee, reconstructed in a holosuite. The pillars and wall elements remained the same, only the warrior statues were removed and the face side was modified.
The set originally built to represent Gaia in DS9: "Children of Time" reappears in the very next episode "Blaze of Glory", here as an interior on Athos IV. The DS9 Companion confirms this finding. Athos IV is quite dark and misty, so the similarity is not too obvious.
Hall with stairway/gallery
The impressive set of the Museum of Kyrian Heritage in VOY: "Living Witness" also appeared in "Star Trek: Insurrection" as the body enhancement facility aboard Ru'afo's flagship.
TOS cave set
The same cave entrance was used several times in TOS, at one point even as stock footage with no modifications.
TNG cave set
The caves on Beta Agni II in TNG: "The Most Toys" were also seen on Risa in "Captain's Holiday" and Galorndon Core in "The Enemy".
Voyager cave set
The cave set during the early seasons of Voyager was only slightly modified to represent different planets. Varying lighting and vegetation helped to establish distinctiveness though. Still, especially the entrance remained essentially the same. The caves are seen (in chronological order) in VOY: "Parturition", VOY: "Tattoo", VOY: "Innocence" and VOY: "Blood Fever".
Thanks to Brandon Johannes for the hint about the round floor/ceiling element.