Voyage to the Bottom of the Sea After the film was finished the sets were placed in storage. When Irwin Allen decided to make a "Voyage to the Bottom of the Sea" television series, all he had to do was pull the sets out of storage. This was done at a fraction of the cost that he might have had if he had begun from scratch. The film reduced the cost of setting up the show and was the template for the type of stories that were done. The studios, having made the film, helped make the television series easier to produce. The success of the television
Land of the Lost (1991 TV series) soon meet another human, a "beautiful" jungle girl named Christa who came from 1960s San Francisco. Christa became trapped in the Land of the Lost when she was very young and grew up alone (an earlier concept would have featured an adult Holly Marshall as the "mystery girl", along with Cha-Ka, but, due to casting, the characters were revisualized as Christa and Stink). The Porters live in a large "treehouse" (although it is actually built between a series of large logs and not rooted trees) that the family built after they realized their tents provided little safety from dangerous predators.