And "luck" is what young daredevil Tim will need when he goes to Africa to track down his missing scientist father and winds up coping with savage gorillas and a ring of ivory poachers led by the rascally Spider Webb. Frankie Thomas stars as Tyler; with Frances Robinson, Al Shean. 12 chapters; 4 hrs. total. Standard; Soundtrack: English Dolby Digital stereo; biographies; interview; theatrical trailers.