Thomas & Friends (1984)

Season 3: Episode 6

After helping some children out of a sticky predicament, Thomas gets behind his timetable and is very late. Then things go from bad to worse when his Branch Line gets damaged by hot weather and has to be closed whilst it is being repaired. Bertie the Bus offers to takes Thomas's passengers while he shunts in the yard; and this makes the little engine worry that his passengers will forget about him.