Two geologist friends of Steve Austin disappear in Californa while placing earthquake sensors in the woods.

Steve Austin has met a colony of space travelers living inside a California mountain.

Steve Austin becomes a suspect after series of burglaries that can only be accomplished with bionic strength are committed. As Austin begins to have vague memories of his encounter with Bigfoot, he is approached by Gillian, one of the alien travelers. She explains that one of her own, Nedlick, has formed a splinter group intend on world domination and is now using Sasquash to commit robberies in order to gain wealth.

The crossover continues on The Bionic Woman S02E01 The Return of Bigfoot (II).