 In his later years, Reilly joined Provost at fan conventions and autograph signings.The character Paul Martin appeared in several "Lassie" Dell comic books published during the "Timmy and Lassie" years of the show's run as well as in Whitman novels for children, a Whitman punch out book, and other show-related toys and materials.In 1963, the multi-part episode, "The Journey" was edited into a feature film called "Lassie's Great Adventure".