You Never Know is a 1986 annual story.
Toby tells Thomas and Percy a story about his old line and how he and Henrietta were sad because nobody travelled with them as buses had taken them all away. But one day, a bus crashes through roadwork signs and gets stuck in a deep hole. Luckily for the passengers, Toby and Henrietta come to the rescue and bring them all back home.
- The Green Bus (does not speak)
- Henrietta (does not speak)
- Duck (mentioned)
- Oliver (mentioned)
- Bulgy (mentioned)
- The story Bulgy is referenced.