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This is the 1993 Journey to the Center of the Earth TV movie. No aliens, only Abominable Snowmen and mutants. See it here. It was a failed TV pilot.
Edited by NateTheGreatAh, yes, that's it. Makes much more sense with that context, too. Grandpa must have stumbled on it while watching You Tube. (He watches it on the same TV) Might have even been that exact link too, lol.
Edited by RayceSkykiller
So, about a week or so ago I caught my grandfather watching some show I don't think I've ever seen before. A live action science fiction show that looked like it was from the 90s (or maybe late 80s). I only caught about the last quarter of the episode, but in it I saw a group of humans on what I presume to be an alien planet, some of them were tied up (again, I presume) to be either executed or scarified by tribal-looking aliens, while others were convincing this other alien (that the humans seem to have befriended earlier) to save the people who are tied up, which he does. The humans and their alien friend then escape to the humans' spaceship. Some villainous character gets revived at the same time and tries to stop the humans by jumping onto the aforementioned spaceship and doing magic-y stuff only to get knocked off or something and falling to his doom into a pit of lava. Then the crew of the spaceship begin talking about what I assume to be the real plot of the show, an ancient alien tablet they found which a scientist character claims is the first piece of a puzzle that will bring infinite knowledge or something when completed. The captain of the ship then gives a speech to his crew, talking about the rough journey they're on, and he says something about how they're trying to escape a 'labyrinth'. One of the last shots I remember seeing is of the spaceship not leaving the atmosphere as I would expect but continuing to fly over a rocky landscape. As far as aesthetics go, as mentioned it looks vaguely 1990s, the humans were all wearing red military-like uniforms. Most of them I couldn't really tell apart because I wasn't paying enough attention, but there were a few that stood out. One was a black guy with short hair and a mustache who I'm pretty sure was the only one in the group that was armed, specifically with an ordinary assault rifle, which he fired wildly at some bad guys at one point. I also remember two women in the group, one that wore glasses and another that had the top half of her uniform off, wearing a white tanktop underneath. I don't remember much about the aliens, other then they were big and bulky, and had either white skin or white fur. The humans' spaceship was long and rectangular, but also kind of rounded. Reminded me of a few Imperial ship designs in old Star Wars Legends media. The way the ending of the episode is framed suggested to me that it's the pilot, or at least a very early episode.
I hope that description isn't too confusing.
Edited by RayceSkykiller