During the dogfight between Buck and Hawk, the words "Game Over" can be seen on one of the computer targeting screens.
On the Searcher's hull, below its name, is the Latin motto "per ardua ad astra". That means "through adversity to the stars" and is the official motto of the Royal Air Forces of England, Canada, Australia and New Zealand.
The shuttle Buck is using to go to Throm is the same type of shuttle that was used in the television series Battlestar Galactica (1978).
Where everyone was wearing 25th century style clothing, the character Doctor Goodfellow (played by character actor Wilfrid Hyde-White) wore 20th century style clothing.
Crichton tells Admiral Asimov: "By robotic law conceived by some distant and overweening ancestor of yours, also named Asimov, I am obliged to obey your commands". This is presumably a reference to the famous American sci-fi author Isaac Asimov, who created the three laws of Robotics. It is also a nod to sci-fi author Michael Crichton. In fact, the entirety of the conversation is an allusion to the novel "Westworld", and over by Crichton in which robots, androids, specifically, defy Asimov's laws of robotics of doing no harm, and turn on, and kill, humans.