The Yonda - Charter boat on the sci-fi adventure THE FANTASTIC JOURNEY/NBC/1977. The Yonda was the base of operation for a group of scientists exploring the mysteries of the Bermuda Triangle. Misfortune forced their craft onto the shore of an uncharted desert island where one of the scientists, Dr. Fred Walters (Carl Franklin) got lost in a time warp where he found many adventures with other time travelers trapped within.