Gilligan discovers a jungle boy living on the island. He shows them a hole in the ground that causes objects to float, and the professor theorizes that it is expelling either helium or hydrogen. He immediately sets to work building a large balloon, with the hopes of carrying one of them back to civilization.
| Name | Type | Role | |
|---|---|---|---|
| Howard Merrill | Writer | ||
| Howard Harris | Writer | ||
| Al Schwartz (I) (1910–1988) | Writer | ||
| Kurt Russell | Guest Star | ||
| Lawrence Dobkin | Director |