An exploration of the life and career of Mark Twain (Samuel Clemens) through the use of dramatic scenes from five of his famous stories and through visits to some of the landmarks of his lifetime; starring David Wayne as host-narrator and also in five different roles in the dramatizations, with supporting actors who appear in scenes created from "The Adventures of Tom Sawyer," "The Adventures of Huckleberry Finn," "Life on the Mississippi," "The Celebrated Jumping Frog of Calaveras County," and "A Connecticut Yankee in King Arthur's Court."