World Of Giants is an American spy-fi television series that aired from September 5 until November 28, 1959.

Discharged naval officer Dan Corbett moves to New Orleans and accepts a job as a longshoreman, unaware that the docks are run by an infamous racketeer. When the dock manager is murdered before he can notify the authorities of their criminal scheme, Dan coordinates with the police to go undercover and investigate.

Carol Dahlmann enlists the Hollister brothers to help locate her missing husband. The husband was tracking a fallen satellite through the jungle. While tracking him down, the trio discover an unusually strong acid killing animals and people.

Submarine commander Ken White is forced to suddenly submerge, leaving his captain and another crew member to die outside the sub during WW II. Subsequent years of meaningless navy ground assignments and the animosity of a former sailor, leave White (now a captain) feeling guilty and empty. His life spirals downward and his wife is about to leave him. Suddenly, he is forced into a dangerous rescue situation at the start of the Koren War.... reassigned to the same submarine where all of his problems began.

Grace is a troubled young lady with some serious daddy issues. She was adopted as a young girl and raised up in a family of traveling faith healers. After the patriarch of that little group passes away Grace's world is thrown into turmoil. The eldest brother turns his back on the family business in favor of medical school despite being engaged to Grace and she is left alone with the shady younger son who puts Grace in a skimpy leotard and incorporates some circus style showmanship to draw in the rubes.

A woman marries a man for his wealth, then concocts a plan to kill him, take his money, and run off with her lover. Things go wrong when they accidentally kill the wrong person.

During an all-girl secret society initiation, one of the new members is killed playing Russian Roulette. Many years later the survivors are invited for a reunion to a lavish estate, which turns out to be owned by the crazed father of the girl who died.