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A mad scientist invites the castaways to his island, where he hopes to conduct strange experiments on them.
Did You Know?
This is the only episode in which the castaways leave the island. See more
In the last scene of the episode "The Friendly Physician", as the castaways are returning to the island, there is a high-angle establishing shot of the boat entering the lagoon. Before the camera zooms in on the boat, at the top of the screen one can see buildings in the distance beyond the lagoon set on the back-lot of CBS Studio Center in Studio City, California. See more