Follows the title reptile who lives in a house on East 88th Street in New York City. Lyle enjoys helping the Primm family with everyday chores and playing with the neighborhood kids but one neighbor insists that Lyle belongs in a zoo. Mr. Grumps and his cat, Loretta, do not like crocodiles, and Lyle tries to prove that he is not as bad as others might first think.

King Roland of the planet Druidia is trying to marry his daughter Princess Vespa to Prince Valium, but Vespa is kidnapped by the evil race of the Spaceballs. The Spaceballs ask Roland a tremendous ransom: all the air of Druidia (you see, the air of Spaceball had serious pollution problems...). The King decides to offer a generous amount of money to a space rogue, Lone Starr, to persuade him to save Vespa. What follows is the parody of a _LOT_ of famous SF movies.