Courtney Brown

A janitor blunders into an experiment that gives him the power of flight and makes him irresistible to women.

Mike Nelson is a Scuba Diver in the days when it was still very new. He works alone and the plot was always mostly carried through his voice over narrations. These gave the show a flavor of a radio program. Typical adventures were finding a downed satellite or sunken treasure. (imdb)

After their parents are killed in a hurricane, Taylor and Tim Reed are unofficially adopted by the semi-retired owner of a marina in the Bahamas. The Reed children are also "adopted" by a friendly sea-lion who they name Salty, and with whom they have a series of adventures. (imdb)