Searching on Archive.org for "Tremors 1990" yields several results. As of this writing, you will typically find three types of files:
: Created by Alec Gillis and Tom Woodruff Jr. , the subterranean monsters were brought to life using massive puppet heads, mechanical tentacles, and hydraulic rigs.
If you'd like to dive deeper, I can find with the creators or help you locate the full series watch order . Which would you prefer?