Thomas and the U.K. Trip

Thomas and the U.K. Trip is a Japanese Thomas/Hirake! Ponkikki crossover special. It aired on December 4th, 1992.

Plot
Two children's television characters from Japan, Gachapin and Mukku, visit the United Kingdom. During their visit, they come to Sodor to meet Thomas, Sir Topham Hatt, and the other engines. During the second half, they visit real railways and learn how steam locomotives work.