This was a Sci-Fi Series put out in 1985. The family is in Egypt, the take a tour of a pyramid … and fall through a doorway brought on by an alignment of some planets … into another world enter via a Joshua Tree like area called the forbidden zone. A “Nazi like” guard in a space car comes driving up in the desert between zones.
There is a super long intro segment on this one.
This episode they had to create identities as the Hardins.
Search YouTube for the rest of the segments on this one.
In this episode there is no good music left in the “zone.”