Rare occasion where Dawson Palmer who plays Keel is not seen in a monster costume or wearing heavy make-up as some type of alien. Dawson also plays the Werewolf.
Both Sherry Jackson and series regular Angela Cartwright had played daughters of Danny Williams on The Danny Thomas Show (1953).
The monster plants seen here are reused from both Attack of the Monster Plants (1965) and Welcome Stranger (1965).
The shot of the hillbilly family's blast off is the same shot used for Hapgood's ship in Welcome Stranger (1965).
Opening scene Will says we know so much about the Egyptians because they buried lots of things in their time capsules. Kind of, sort of, almost. The Egyptians believed that only stuff buried with someone could be used by that person in the afterlife. Filling a royal tomb with every physical object needed for daily life was just good management.