The name Sobram, given to the race of warriors who once dominated the planet, is derived from the name of guest star Abraham Sofaer.
This is production number 1517. While it was the 22nd episode of the third season in broadcast order, it was 17th in production order.
The mutated plant here is the same costume used in another Irwin Allen series, The Plant Man from "Voyage to the Bottom of the Sea".