It appears the original idea for the episode was designed as one of the 10 episodes outlines that were made prior to production of "Breakaway". Whether this original concept was conceived by di Lorenzo or whether his main contribution was adapting the idea into script and production is unclear.
However, the ideas presented in the production bear striking resemblances to di Lorenzo's script writing for Mel Welles' Lady Frankenstein, an 1972 attempt to update the Frankenstein myth by adding issues related to gender, ecology and power/knowledge.
Many themes from this movie were reworked into "Ring Around The Moon" and the sequels "Missing Link" and "Alpha Child".
In the first drafts, Chief Engineer Smith (Smitty, seen in "Black Sun") is a minor character. In the final draft he is not a part of the story, although there is a reference to Chief Engineer Anderson, which may be an internal joke referring to Gerry Anderson's obsession with technical issues.
In general, the story seems to be about the relationship between power and knowledge, and, to a large extent, appears to be a visualization of some of Michel Foucault's main writings.
In the novelisation of this episode the planet Triton is identified instead as Neptune's Moon Triton which had mysteriously broken away some years before, this was never used in the television episode.
A preproduction painting by Keith Wilson shows a strong 2001: A Space Odyssey influence. From a visual point of view, the episode could perhaps be seen as a paraphrase over the final third of 2001, consisting of the psychedelic "journey through time" sequence and the study of the astronauts M. C. Escher-like reflections on his own self-image.
Austin's style of direction has sometimes been compared to that of Alfred Hitchcock, and through out Space: 1999 there are a number of quotes to the master. This particular entry has from time to time been compared with Rope (1948).
Others, however, see it as the ultimate experience in science fiction, similar to Alphaville, 2001: A Space Odyssey and Solaris.