Meek and mild mannered bookkeeper Henry Limpet has few passions in life. It's mid-1941 and he would love to join the Navy but has been rated 4F. His friend George Stickle is in the Navy and lays it on pretty thick. If Henry could have one thing it would be to become a fish. While on a visit to Coney Island, Henry falls into the water and miraculously gets his wish. Now a fish, he makes friends, Ladyfish and Crabby the hermit crab and loves his new life. He also uses his abilities to help the US Navy locate and sink Nazi U-Boats, forcing the Germans to create a new weapon to deal with the Allies secret weapon. When years later the Navy finds intelligent activity among dolphins, they may also know who is teaching them.

Two would-be safe-crackers 'sort of' kidnap the two grandchildren of millionaire J. W. Osborne. In a story somewhat reminiscent of O. Henry's The Ransom of Red Chief, the ransom amount keeps getting smaller as the two children have the best vacation from boarding school ever with their two new friends.

Herbie, the Volkswagen Beetle with a mind of its own, is racing in the Monte Carlo Rally. Unbeknownst to Herbie's driver, thieves have hidden a cache of stolen diamonds in Herbie's gas tank, and are now trying to get them back.

David, single, lonely and not happy with his life, flees reality by watching Pleasantville - a 1950's b&w soap opera, where everything is just that... pleasant. His sister Jennifer, sexually far more active than her brother, gets in a fight with him about a very strange remote control. The remote was given to them just seconds after the TV broke, by an equally strange repair man. They suddenly find themselves in Pleasantville, as Bud and Mary-Sue Parker, completely assimilated and therefore black and white, in clothes a little different and with new parents... pleasant ones. David wants to get out of the situation as well as his sister, but whereas he tries to blend in (effortlessly, with his knowledge), she does whatever she wants to do. One event leads to the other, and suddenly there is a red rose growing in Pleasantville. The more rules are broken, the more colorful life gets in Pleasantville, USA.